Update the TOC in the Develop section around AI features; add overview topic

Author: GrantMeStrength

hub/apps/develop/ai-powered/ai-powered.md

@@ -25,12 +25,12 @@ This section provides guidance for using the Windows App SDK to create apps that
 
 | Topic | Description |
 |---------------------------|-----------------------------|
-| [App Content Search](/windows/ai/apis/app-content-search) | Learn how to use App Content Search to enable AI-powered search capabilities in your app. |
+| [App Content Search](/windows/ai/apis/app-content-search) | Learn how to use App Content Search to enable AI-powered search capabilities. |
 | [Phi Silica](/windows/ai/apis/phi-silica) | Learn how to use Phi Silica to enhance app performance with AI acceleration. |
 | [Imaging SDK](/windows/ai/apis/imaging) | Learn how to use the Imaging SDK to add AI-powered image processing capabilities to your apps. |
-| [Image generation API](/windows/ai/apis/image-generation) | Learn how to use the Image Generation API to create images from text prompts in your apps. |
-| [Text Recognition API](/windows/ai/apis/text-recognition) | Learn how to use the Text Recognition API to extract text from images in your apps. |
-| [Video super resolution](/windows/ai/apis/video-super-resolution) | Learn how to use AI to enhance video playback quality in apps. |
+| [Image generation API](/windows/ai/apis/image-generation) | Learn how to use the Image Generation API to create images from text prompts. |
+| [Text Recognition API](/windows/ai/apis/text-recognition) | Learn how to use the Text Recognition API to extract text from images. |
+| [Video super resolution](/windows/ai/apis/video-super-resolution) | Learn how to use AI to enhance video playback quality. |
 
 ## Related topics