API: apply sentence-style capitalization to headings (#2186)

* API: apply sentence-style capitalization to headings

- to comply with MS Style Guide on [capitalization](https://learn.microsoft.com/en-us/style-guide/capitalization)

* Update docs/api/native-app-integration/webview.md

docs/api/native-app-integration.md

@@ -1,5 +1,5 @@
 ---
-title: "Native App Integration"
+title: "Native app integration"
 sidebar_label: "Introduction"
 ---
 

docs/api/native-app-integration/notifications.md

@@ -1,5 +1,5 @@
 ---
-title: "Push Notifications"
+title: "Push notifications"
 ---
 
 The `mobile_app` integration has a notify platform built in that allows for a generic way to send push notifications to your users without requiring installation of an external custom component. Push notifications can either be delivered via a websocket connection or via a cloud service.

docs/api/native-app-integration/sending-data.md

@@ -289,7 +289,7 @@ There are two errors you may receive:
 - `encryption_already_enabled` - Encryption is already enabled for this registration
 - `encryption_not_available` - Sodium/NaCL is unable to be installed. Cease all future attempts to enable encryption.
 
-## Stream Camera
+## Stream camera
 
 _This requires Home Assistant 0.112 or later._
 
@@ -320,7 +320,7 @@ The response will include paths for streaming either via HLS or via MJPEG image
 
 If HLS streaming is not available, the `hls_path` will be `null`. See notes above on instance URL for how to construct a full URL.
 
-## Process Conversation
+## Process conversation
 
 _This requires Home Assistant 2023.2.0 or later._
 

docs/api/native-app-integration/setup.md

@@ -21,7 +21,7 @@ Home Assistant has a `mobile_app` component that allows applications to register
 
 Once you have tokens to authenticate as a user, it's time to register the app with the mobile app integration in Home Assistant.
 
-### Getting Ready
+### Getting ready
 
 First, you must ensure that the `mobile_app` integration is loaded. There are two ways to do this:
 

docs/api/supervisor/endpoints.md

@@ -10,7 +10,7 @@ The token is available for add-ons and Home Assistant using the
 
 To see more details about each endpoint, click on it to expand it.
 
-### Addons
+### Add-ons
 
 <ApiEndpoint path="/addons" method="get">
 Return overview information about installed add-ons.

docs/api/supervisor/models.md

@@ -82,7 +82,7 @@ These models are describing objects that are getting returned from the superviso
 | uuid    | string | The UUID of the discovery |
 | config  | dict   | The configuration         |
 
-## Host Service
+## Host service
 
 | key         | type   | description             |
 | ----------- | ------ | ----------------------- |
@@ -129,7 +129,7 @@ These models are describing objects that are getting returned from the superviso
 | id      | integer | The VLAN ID.                                                                 |
 | parent  | string  | Parent interface which is the vlan attached.                                 |
 
-## Access-Points
+## Access-points
 
 | key        | type    | description                                                                  |
 | ---------- | ------- | ---------------------------------------------------------------------------- |
@@ -301,14 +301,14 @@ Response only fields will be in responses but cannot be included in requests.
 | child_jobs | list    | A list of child [jobs](#job) started by this one              |
 | errors     | list    | A list of [errors](#job-error) that occurred during execution |
 
-## Job Error
+## Job error
 
 | key        | type    | description                                    |
 | ---------- | ------- | ---------------------------------------------- |
 | type       | string  | Type of error that occurred                    |
 | message    | string  | Human-readable description of what went wrong  |
 
-## Boot Slot
+## Boot slot
 
 | key        | type    | description                                     |
 | ---------- | ------- | ----------------------------------------------- |

docs/api/websocket.md

@@ -466,7 +466,7 @@ The server will respond with a result message containing the current registered
 }
 ```
 
-## Pings and Pongs
+## Pings and pongs
 
 The API supports receiving a ping from the client and returning a pong. This serves as a heartbeat to ensure the connection is still alive:
 

docs/architecture/core.md

@@ -1,5 +1,5 @@
 ---
-title: Core Architecture
+title: Core architecture
 sidebar_label: Core
 ---