docs fixes (#2907)

### Description of change

##### Checklist

- [ ] Tested in playground or other setup
- [ ] Screenshot (Grafana) from playground added to PR for 15+ minute
run
- [ ] Documentation is changed or added
- [ ] Tests and/or benchmarks are included
- [ ] Breaking changes


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Documentation**
	- Reorganized the sidebar navigation for improved user experience.
- Updated the "Aperture Cloud" section in the FAQ with information about
hosted Agent for SDK integration.
- Revised the "Aperture" introduction, removing the mention of "control
plane" and updating availability options.
- Modified the file path for an included file in the "Flow Lifecycle"
document.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

docs/content/concepts/advanced/auto-scale.md

@@ -1,6 +1,6 @@
 ---
 title: Auto Scale
-sidebar_position: 13
+sidebar_position: 7
 keywords:
   - auto-scaling
   - Autoscaling

docs/content/concepts/advanced/circuit.md

@@ -1,6 +1,6 @@
 ---
 title: Circuit
-sidebar_position: 2
+sidebar_position: 9
 ---
 
 :::info See also

docs/content/concepts/advanced/classifier.md

@@ -1,6 +1,6 @@
 ---
 title: Classifier
-sidebar_position: 7
+sidebar_position: 3
 ---
 
 :::info See also

docs/content/concepts/advanced/dynamic-configuration.md

@@ -4,7 +4,7 @@ description: Dynamically configuration of policy
 keywords:
   - policy
   - configuration
-sidebar_position: 3
+sidebar_position: 10
 ---
 
 Aperture's policies can be thought of as "Load Management Applications" running

docs/content/concepts/advanced/flux-meter.md

@@ -1,6 +1,6 @@
 ---
 title: Flux Meter
-sidebar_position: 8
+sidebar_position: 4
 keywords:
   - fluxmeter
   - histograms

docs/content/concepts/advanced/infra-meter.md

@@ -1,6 +1,6 @@
 ---
 title: Infra Meter
-sidebar_position: 9
+sidebar_position: 5
 keywords:
   - telemetry
   - monitoring

docs/content/concepts/advanced/load-ramp.md

@@ -1,6 +1,6 @@
 ---
 title: Load Ramp
-sidebar_position: 10
+sidebar_position: 6
 ---
 
 :::info See also

docs/content/concepts/advanced/policy.md

@@ -1,6 +1,6 @@
 ---
 title: Policy
-sidebar_position: 1
+sidebar_position: 8
 sidebar_label: Policy Language
 ---
 
@@ -58,8 +58,6 @@ objectives and trigger appropriate actions to restore system stability and
 reliability. The circuit is the heart of the policy specification and is
 responsible for the logic of the control system.
 
-<DocCardList />
-
 ## Resources
 
 :::info See also

docs/content/concepts/advanced/service.md

@@ -1,7 +1,7 @@
 ---
 title: Service
 sidebar_label: Service
-sidebar_position: 3
+sidebar_position: 2
 keywords:
   - Service Discovery
 ---

docs/content/concepts/flow-lifecycle.md

@@ -29,7 +29,7 @@ back to the service.
 <Zoom>
 
 ```mermaid
-{@include: ./assets/gen/service/flow-lifecycle.mmd}
+{@include: ./assets/gen/flow-lifecycle/flow-lifecycle.mmd}
 ```
 
 </Zoom>

docs/content/faq.md

@@ -96,6 +96,9 @@ Aperture Agent is a binary that can be run on the
 [Supported Linux platforms](/self-hosting/supported-platforms.md). The
 installation steps are available [here](/self-hosting/agent/bare-metal.md).
 
+Note: Aperture Cloud also provides a hosted Agent for SDK integration, allowing
+you to use it by API instead of deploying your own Aperture Agents.
+
 ### What are Aperture Agent's performance numbers? {#agent-performance}
 
 The Aperture Agent is designed to be lightweight and performant.

docs/content/introduction.md

@@ -32,9 +32,9 @@ in a cloud application:
 ![Unified Load Management (dark)](./assets/img/unified-load-management-dark.svg#gh-dark-mode-only)
 ![Unified Load Management (light)](./assets/img/unified-load-management-light.svg#gh-light-mode-only)
 
-Aperture's control plane is available as a managed service, [Aperture
-Cloud][cloud], or can be [self-hosted][self-hosted] within your infrastructure.
-Visit the [Architecture][architecture] page for more details.
+Aperture is available as a managed service, [Aperture Cloud][cloud], or can be
+[self-hosted][self-hosted] within your infrastructure. Visit the
+[Architecture][architecture] page for more details.
 
 :::info Sign-up