Fix installation instructions, update structure of markdown

README.md

@@ -1,88 +1,111 @@
-Heroku Connect CLI Plugin
-==================
+# Heroku Connect CLI Plugin
 
-# Install
+## Install
 
-    $ heroku plugins:install heroku-connect-plugin
+```shell
+$ heroku plugins:install @heroku-cli/heroku-connect-plugin
+Installing plugin @heroku-cli/heroku-connect-plugin... installed
+```
 
+## Help
 
-# Help  
+```shell
+$ heroku help connect 
+```
 
-    heroku help connect 
+## Commands
 
-# Commands
+```text
+heroku connect:db:set                  - Set database parameters
+heroku connect:diagnose                - Display diagnostic information about a connection
+heroku connect:export                  - Export a mapping configuration JSON file
+heroku connect:import FILE             - Import a mapping configuration JSON file
+heroku connect:info                    - Display connection information 
+heroku connect:mapping:state MAPPING   - Return the state of a mapping
+heroku connect:mapping:delete MAPPING  - Delete an existing mapping
+heroku connect:mapping:reload MAPPING  - Reload a mapping's data from Salesforce
+heroku connect:pause                   - Pause a connection
+heroku connect:resume                  - Resume a connection
+heroku connect:restart                 - Restart a connection
+heroku connect:sf:auth                 - Authenticate a connection to Salesforce
+heroku connect:state                   - Return the state flag for a single connection
+```
 
-    heroku connect:db:set                  - Set database parameters
-    heroku connect:diagnose                - Display diagnostic information about a connection
-    heroku connect:export                  - Export a mapping configuration JSON file
-    heroku connect:import FILE             - Import a mapping configuration JSON file
-    heroku connect:info                    - Display connection information 
-    heroku connect:mapping:state MAPPING   - Return the state of a mapping
-    heroku connect:mapping:delete MAPPING  - Delete an existing mapping
-    heroku connect:mapping:reload MAPPING  - Reload a mapping's data from Salesforce
-    heroku connect:pause                   - Pause a connection
-    heroku connect:resume                  - Resume a connection
-    heroku connect:restart                 - Restart a connection
-    heroku connect:sf:auth                 - Authenticate a connection to Salesforce
-    heroku connect:state                   - Return the state flag for a single connection
-
-# Examples
+## Examples
 
 Download an existing mapping configuration
 
-    $ heroku connect:export
-    Saved config-file: app-name-resource-name.json
+```shell
+$ heroku connect:export
+Saved config-file: app-name-resource-name.json
+```
 
-# Tutorial
+## Tutorial
 
 Make sure you have a Heroku app, with a Postgres database attached
 
-## Add the Heroku Connect add-on to your app
+### Add the Heroku Connect add-on to your app
 
-    $ heroku addons:create herokuconnect
+```shell
+$ heroku addons:create herokuconnect
+```
 
-## Link the new connection (the Heroku Connect add-on instance) to your Heroku user
+### Link the new connection (the Heroku Connect add-on instance) to your Heroku user
 
-    $ heroku connect:info
+```shell
+$ heroku connect:info
+```
 
-## Now link the connection to the database, specifying the config var and schema name
+### Now link the connection to the database, specifying the config var and schema name
 
-    $ heroku connect:db:set --db=DATABASE_URL --schema=salesforce
-    settings database parameters... done
-    db_key:      DATABASE_URL
-    schema_name: salesforce
+```shell
+$ heroku connect:db:set --db=DATABASE_URL --schema=salesforce
+settings database parameters... done
+db_key:      DATABASE_URL
+schema_name: salesforce
+```
 
 If either option is not supplied, this command will ask for a value.
 
-## Authorize the connection to access your Salesforce organization
+### Authorize the connection to access your Salesforce organization
 
-    $ heroku connect:sf:auth
-    Launching Salesforce for authorization. If your browser doesn't open, please copy the following URL to proceed:
+```shell
+$ heroku connect:sf:auth
+Launching Salesforce for authorization. If your browser doesn't open, please copy the following URL to proceed:
 
-    https://login.salesforce.com/services/oauth2/authorize?…
+https://login.salesforce.com/services/oauth2/authorize?…
 
 This will launch your browser for an interactive authorization session.
+```
 
-## Verify that connection is now in 'IDLE' state
+### Verify that connection is now in 'IDLE' state
 
-    $ heroku connect:state
-    IDLE
+```shell
+$ heroku connect:state
+IDLE
+```
 
-## Now restore the exported configuration
+### Now restore the exported configuration
 
 This could be exported using the `connect:export` command or directly through the Heroku Connect dashboard. By editing this configuration file, you can add and edit existing mappings easily.
 
-    $ heroku connect:import app-name-resource-name.json
-    Upload complete
+```shell
+$ heroku connect:import app-name-resource-name.json
+Upload complete
+```
 
 If you need to delete a mapping after the configuration has been imported, you can use a separate command for that:
 
-    $ heroku connect:mapping:delete Contact
+```shell
+$ heroku connect:mapping:delete Contact
+```
 
-## Connect to your database to see the data
+### Connect to your database to see the data
 
-    $ heroku pg:psql
-    > select * from salesforce.contact;
+```shell
+$ heroku pg:psql
+> select * from salesforce.contact;
+```
 
 ## Contributing