docs: add changelog and readme for August release

PRERELEASE.md

@@ -3,6 +3,18 @@
 
 > Note: This changelog only includes the changes for the pre-release versions of Azure API Center for Visual Studio Code. For the changelog of stable versions, please refer to the [Changelog of Azure API Center for Visual Studio Code](https://github.com/microsoft/vscode-azureapicenter/blob/main/CHANGELOG.md).
 
+### August 14, 2024
+
+* Manage API Analysis for Azure API Center:
+    * Enable API Analysis
+    * View and edit linting rules
+    * Create, rename and delete JavaScript Custom Functions
+    * Live linting for OpenAPI documentation to test linting rules
+    * Sync linting rules to local
+    * Deploy linting rules to Azure API Center
+* Generating Open API specification from an API code: use `gpt-4o` model to increase performance.
+* Set active API Style Guide: support to select active file.
+
 ### July 16, 2024
 
 * Generating Markdown documentation for an API: We have added a new command in the tree view of API definition called "Generate Markdown" to allow developers to easily generate markdown documentation.

README.md

@@ -14,11 +14,15 @@ Shift-left API design conformance checks into Visual Studio Code with integrated
 
 ![linting](./media/integrated-lint.png)
 
+[[Pre-Release]](#pre-release) Manage API Analysis for Azure API Center.
+
+![Manage API Analysis](./media/managed-lint.png)
+
 Ensure that new API versions don't break API consumers with breaking change detection support, powered by Optic.
 
 ![Breaking Change Detection](./media/breaking-change.png)
 
-[pre-release] Generate Open API specification file from API code.
+[[Pre-Release]](#pre-release) Generate Open API specification file from API code.
 
 ![Generate Open API specification](./media/generate-api-documentation.gif)
 
@@ -39,7 +43,7 @@ Explore API requests and responses with automated .http file generation powered
 
 ![generate-http-file](./media/generate-http-file.png)
 
-[pre-release] Generate markdown documentation for an API definition.
+[[Pre-Release]](#pre-release) Generate markdown documentation for an API definition.
 
 ![Generate Markdown](./media/generate-markdown.png)
 
@@ -53,7 +57,11 @@ Export API specification document for a specific API either from the tree view o
 
 ![Export API specification](./media/export-api.gif)
 
+## Pre-Release
+
+For the features with `[Pre-Release]` flag, you need to install pre-release version of the extension.
 
+![](/media/pre-release.png)
 
 ## Contributing