Chore: Improve directory layout of images

docs/integrate/streamsets.rst

@@ -75,23 +75,23 @@ Using CrateDB as a Destination
 
 Firstly, create a new Data Collector Pipeline:
 
-.. figure:: /_assets/img/integrations/streamsets-new-pipeline.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-new-pipeline.png
    :align: center
 
 You can then add an origin for the pipeline. In this case, you will be reading
 from the .csv file you downloaded earlier. To do this, add a **Directory** origin
 for the pipeline. You should then configure the directory origin so that it picks
 up the New York taxi CSV file:
 
-.. figure:: /_assets/img/integrations/streamsets-directory-files.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-directory-files.png
    :align: center
 
 You can then also configure the data format of the file. The data format
 should be **delimited**, with the format type being **Default CSV**. The CSV
 file also includes a header line, so ensure the header line setting is **With
 Header Line**:
 
-.. figure:: /_assets/img/integrations/streamsets-directory-format.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-directory-format.png
    :align: center
 
 Before you can ingest this data into CrateDB, you need to perform some lightweight
@@ -103,7 +103,7 @@ To do this, add a new **Field Type Converter** processor that connects to the
 Directory origin you created in the previous step. Once created, add the
 following field conversions to the field type converter's configuration:
 
-.. figure:: /_assets/img/integrations/streamsets-field-type-conversions.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-field-type-conversions.png
    :align: center
 
 Once configured, you can finally add CrateDB as a destination for the pipeline.
@@ -113,27 +113,27 @@ connect to your CrateDB instance.
 
 The JDBC settings should be as follows:
 
-.. figure:: /_assets/img/integrations/streamsets-jdbc-producer-settings.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-jdbc-producer-settings.png
    :align: center
 
-.. figure:: /_assets/img/integrations/streamsets-jdbc-producer-credentials.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-jdbc-producer-credentials.png
    :align: center
 
 You can also look at the external libraries of the JDBC producer to ensure
 the CrateDB JDBC driver is present:
 
-.. figure:: /_assets/img/integrations/streamsets-jdbc-driver.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-jdbc-driver.png
    :align: center
 
 Once created, your pipeline should look something like this:
 
-.. figure:: /_assets/img/integrations/streamsets-pipeline.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-pipeline.png
    :align: center
 
 You can now start the pipeline by clicking the **Start** button, and data will
 flow from the CSV file, through the type transformer and into CrateDB:
 
-.. figure:: /_assets/img/integrations/streamsets-running-pipeline.png
+.. figure:: /_assets/img/integrations/streamsets/streamsets-running-pipeline.png
    :align: center
 
 You can verify that the data is now in CrateDB:

docs/topic/analysis/grafana.rst

@@ -30,7 +30,7 @@ To visualize data with Grafana, a dataset is needed first. In this sample,
 demo data is added directly via the CrateDB Cloud Console. To import the data
 go to the Overview page of your deployed cluster. 
 
-.. image:: ../../_assets/img/integrations/cloud-cluster-overview.png
+.. image:: /_assets/img/integrations/cloud-cluster-overview.png
    :alt: Cloud Console Clusters overview
 
 Once on the Overview page, click on the *import the demo data* link in the
@@ -41,15 +41,15 @@ statement imports the data into the table created in the first step. These
 statements must be executed in the shown order. First "1. Create the table" 
 and then "2. Import the data".
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-import.png
+.. image:: /_assets/img/integrations/grafana/grafana-import.png
    :alt: Importing data to Admin UI
 
 When you click on either of the *Execute* buttons, you will be brought to the
 CrateDB Admin UI which is the admin UI of your cluster. When accessing it for
 the first time, you will need the username and password that you set when you
 deployed the cluster.
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-admin-create-table.png
+.. image:: /_assets/img/integrations/grafana/grafana-admin-create-table.png
    :alt: Creating table in Admin UI
 
 After executing the second SQL statement, the "nyc_taxi" table will be
@@ -74,27 +74,27 @@ Connect Grafana to CrateDB Cloud
 After setting up and logging into Grafana, you should be greeted by
 Grafana Home page.
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-welcome.png
+.. image:: /_assets/img/integrations/grafana/grafana-welcome.png
    :alt: Grafana Home page
 
 To visualize the data, you must add a data source. To do this, click on the
 cogwheel "Settings" icon in the left menu bar. This should take you to the 
 Data sources Configuration page. 
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-settings.png
+.. image:: /_assets/img/integrations/grafana/grafana-settings.png
    :alt: Grafana Settings
 
 Once there, click on the *Add data source* button. Here, look up and choose
 "PostgreSQL".
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-search.png
+.. image:: /_assets/img/integrations/grafana/grafana-search.png
    :alt: Grafana integrations
 
 Once "PostgreSQL" is chosen, you will be brought to a form that you must fill
 out to connect to the CrateDB Cloud. A completed example might look like the
 screenshot below.
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-connection.png
+.. image:: /_assets/img/integrations/grafana/grafana-connection.png
    :alt: Grafana connection form
 
 The *host* and *user* credentials may appear differently to you. The host can
@@ -107,7 +107,7 @@ something like:
 
   samplecluster.aks1.eastus.azure.cratedb-dev.net
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-psql.png
+.. image:: /_assets/img/integrations/grafana/grafana-psql.png
    :alt: Grafana psql connection
 
 After submitting all that to the Grafana connection form, it should return
@@ -126,7 +126,7 @@ Dashboards. To create a new dashboard click on the *Create your first
 dashboard* on the Grafana homepage. You will be greeted by a dashboard 
 creation page.
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-new-dashboard.png
+.. image:: /_assets/img/integrations/grafana/grafana-new-dashboard.png
    :alt: Grafana Dashboard creation
 
 In Grafana, dashboards are composed of individual blocks called panels, to
@@ -142,7 +142,7 @@ recommended to look into the documentation on `Grafana panels`_.
 To create a panel, you start by defining the query. To do that click on the
 *Edit SQL* button.
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-new-panel.png
+.. image:: /_assets/img/integrations/grafana/grafana-new-panel.png
    :alt: Grafana panel creation
 
 A console into which you write the SQL statements will appear. This panel will
@@ -177,15 +177,15 @@ make:
 
 After that, you should get a panel similar to this:
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-panel1.png
+.. image:: /_assets/img/integrations/grafana/grafana-panel1.png
    :alt: Grafana panel 1
 
 When you're satisfied with the look of the panel, click *Apply*. This will
 bring you back to the overview of the dashboard. Now it will have 1 panel
 created in it. Click on the *Add panel* in the top menu bar and you can create
 another one.
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-add-panel.png
+.. image:: /_assets/img/integrations/grafana/grafana-add-panel.png
    :alt: Grafana add another panel to dashboard
 
 Another question worth asking might be: What was the average distance per ride
@@ -209,13 +209,13 @@ show only the value we are interested in. Also, in the right menu under "Graph
 style" select "Bars" once again. After that, you should have a panel similar 
 to this:
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-panel2.png
+.. image:: /_assets/img/integrations/grafana/grafana-panel2.png
    :alt: Grafana panel 2
 
 When you're happy with the panel, click *Apply*. Now, when brought back to the
 Dashboard overview, you will have a collection of two very useful graphs.
 
-.. image:: ../../_assets/img/integrations/grafana/grafana-dashboard-final.png
+.. image:: /_assets/img/integrations/grafana/grafana-dashboard-final.png
    :alt: Grafana completed dashboard
 
 Now you know how to get started with data visualization in Grafana. To find 

docs/topic/analysis/metabase.rst

@@ -34,7 +34,7 @@ choose, the first step will be adding your CrateDB cluster as a new database.
 To do that, go to the ``Admin Settings`` -> ``Setup``, and choose 
 the ``Add a database`` option.
 
-.. image:: ../../_assets/img/integrations/metabase/metabase-add-database.png
+.. image:: /_assets/img/integrations/metabase/metabase-add-database.png
    :alt: Add new database
 
 Database configuration is relatively simple, these are the necessary fields:
@@ -51,14 +51,14 @@ Database configuration is relatively simple, these are the necessary fields:
     Make sure you also select "Use a secure connection (SSL)" option, unless
     your cluster is not configured for SSL.
 
-.. image:: ../../_assets/img/integrations/metabase/metabase-database-configuration.png
+.. image:: /_assets/img/integrations/metabase/metabase-database-configuration.png
    :alt: Configure new database
 
 After submitting your details, Metabase will sync with your CrateDB cluster for
 a few moments. When that completes, you will get a message saying, "Syncing
 complete".
 
-.. image:: ../../_assets/img/integrations/metabase/metabase-sync-done.png
+.. image:: /_assets/img/integrations/metabase/metabase-sync-done.png
    :alt: Database sync complete
 
 .. _integration-metabase-questions:
@@ -75,19 +75,19 @@ database and a table from it.
 As an example, we ask about the Average tip amount,
 sorted by the passenger count. 
 
-.. image:: ../../_assets/img/integrations/metabase/metabase-question.png
+.. image:: /_assets/img/integrations/metabase/metabase-question.png
    :alt: Asking a question
 
 Metabase then provides a visualization of that question.
 
-.. image:: ../../_assets/img/integrations/metabase/metabase-answer.png
+.. image:: /_assets/img/integrations/metabase/metabase-answer.png
    :alt: Answer
 
 The answer that you get can be saved. When you save a question, you will also
 be asked if you want to add it to a dashboard. Dashboards provide an easy way
 to monitor your data.
 
-.. image:: ../../_assets/img/integrations/metabase/metabase-dashboard.png
+.. image:: /_assets/img/integrations/metabase/metabase-dashboard.png
    :alt: Dashboard
 
 .. _integration-metabase-conclusion:

docs/topic/analysis/powerbi-desktop.rst

@@ -100,13 +100,13 @@ Creating a DSN for CrateDB
 First, verify that you have installed the PostgreSQL ODBC driver by searching
 for and opening the ODBC Data Sources application for your architecture:
 
-.. figure:: /_assets/img/integrations/powerbi-start-menu.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-start-menu.png
    :align: center
 
 Navigate to the drivers tab, where you should see the PostgreSQL ODBC drivers
 you have installed:
 
-.. figure:: /_assets/img/integrations/powerbi-postgres-drivers.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-postgres-drivers.png
    :align: center
 
 If this is correct, you can add a User DSN by navigating to the User DSN tab
@@ -119,7 +119,7 @@ are using a 64-bit Windows. Otherwise, select *PostgreSQL Unicode(x32)*.
    <cratedb-powerbi-service>` integration document, then you should create
    this DSN as a **System DSN**, not a **User DSN**.
 
-.. figure:: /_assets/img/integrations/powerbi-driver-select.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-driver-select.png
    :align: center
 
 Set up the data source with the following parameters:
@@ -140,7 +140,7 @@ If your CrateDB instance uses SSL, enable the SSL mode. If the CrateDB user
 you're connecting with is password protected, add its password to the Password
 field.
 
-.. figure:: /_assets/img/integrations/powerbi-dsn-setup.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-dsn-setup.png
    :align: center
 
 You can click *Test* to verify that the DSN is configured correctly. Once this
@@ -153,18 +153,18 @@ Connecting Power BI to CrateDB
 Once you have created the DSN, open up Power BI and click *Get Data* from the
 menu ribbon. Select *ODBC* from the list of available data sources:
 
-.. figure:: /_assets/img/integrations/powerbi-source.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-source.png
    :align: center
 
 Select CrateDB from the DSN list and click *OK*:
 
-.. figure:: /_assets/img/integrations/powerbi-crate-dsn.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-crate-dsn.png
    :align: center
 
 Within the ``doc`` schema, you should see and be able to add the
 ``population_data`` table:
 
-.. figure:: /_assets/img/integrations/powerbi-table-navigator.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-table-navigator.png
    :align: center
 
 From here you can transform the data as you wish, or click *Load* to load
@@ -184,7 +184,7 @@ panel into the *Legend* section of the visualizations tab.
 
 The pie chart will be updated automatically, and will produce the following:
 
-.. figure:: /_assets/img/integrations/powerbi-pie-chart.png
+.. figure:: /_assets/img/integrations/powerbi/powerbi-pie-chart.png
    :align: center