change topic type to Overview & revise description data

Author: TerryGLee

docs/version-control/git-with-visual-studio.md

@@ -3,7 +3,7 @@ title: The Git experience in Visual Studio 2019
 titleSuffix: ""
 description: Learn how the new integrated Git experience in Visual Studio 2019 can help you be more productive.
 ms.date: 04/01/2021
-ms.topic: conceptual
+ms.topic: overview
 ms.author: tglee
 author: TerryGLee
 ms.manager: jillfra

docs/version-control/index.yml

@@ -1,11 +1,11 @@
 ### YamlMime:Landing
 
 title: Visual Studio version control documentation # < 60 chars
-summary: Share your code from within Visual Studio 2019 by using version control technologies such as Git and GitHub. # < 160 chars
+summary: Version control technologies such as Git and GitHub are available within Visual Studio. # < 160 chars
 
 metadata:
-  title: Share code within Visual Studio by using Git and GitHub. # Required; page title displayed in search results. Include the brand. < 60 chars.
-  description: Use version control technologies such as Git and GitHub to share your code from within Visual Studio.
+  title: Version control in Visual Studio # Required; page title displayed in search results. Include the brand. < 60 chars.
+  description: Version control technologies such as Git and GitHub are available from directly within Visual Studio. You can use them to share and manage your code without leaving your codebase.
   ms.topic: landing-page
   ms.date: 04/20/2021
   author: TerryGLee