Add guidance for activating GitHub Copilot Pro in VS IDE

Added a new item to the quickstart guide about ensuring GitHub Copilot Pro is activated in Visual Studio IDE.

Author: Thagshan01

content/copilot/get-started/quickstart.md

@@ -69,6 +69,8 @@ There are many more things you can do with {% data variables.copilot.copilot_cha
 * Ask a question about a knowledge base
 * Find out about the changes in a pull request
 * Ask a question about a specific issue or commit
+* Ask a question about how to ensure github copilot pro is activated on visualstudio IDE
+
 
 For more information, see [AUTOTITLE](/copilot/github-copilot-chat/copilot-chat-in-github/using-github-copilot-chat-in-githubcom).