feat(vsc): rename extension ui (part 1)

packages/vscode-extension/media/itp/itp.md

@@ -24,9 +24,9 @@ For more information, visit the [Set up a developer subscription documentation](
 
 > Use the Administrator account (\*.onmicrosoft.com) email address to log in to your development environment.
 
-### Step 2. Use your development account in Teams Toolkit for Visual Studio Code
+### Step 2. Use your development account in Microsoft 365 Agents Toolkit for Visual Studio Code
 
-Open Teams Toolkit for Visual Studio Code and log into the Teams Toolkit extension using your developer account created in step 1.
+Open Microsoft 365 Agents Toolkit for Visual Studio Code and log into the Microsoft 365 Agents Toolkit extension using your developer account created in step 1.
 
 The permission to upload custom app is already set up.
 

packages/vscode-extension/media/walkthroughs/get-started/chatWithGitHubCopilot.md

@@ -7,6 +7,6 @@ To use GitHub Copilot Chat with `@teamsapp`, you must complete the following ste
 1. **Get access to GitHub Copilot**  
    GitHub Copilot Free is available to individual GitHub customers by default, with limited access to select features. You could also use Copilot through other organization or enterprise plan. Learn more about [GitHub Copilot plans](https://github.com/features/copilot) and [GitHub Copilot free plan](https://github.com/features/copilot#pricing).
 2. **[Install GitHub Copilot Chat for Visual Studio Code](command:fx-extension.installCopilotChat?%5B%22TeamsAgentWalkthrough%22%5D)**
-3. **[Install GitHub Copilot extension for Teams Toolkit](command:fx-extension.openInstallTeamsAgent?%5B%22TeamsAgentWalkthrough%22%5D)**
+3. **[Install GitHub Copilot extension for Microsoft 365 Agents Toolkit](command:fx-extension.openInstallTeamsAgent?%5B%22TeamsAgentWalkthrough%22%5D)**
 
 After completing these steps, you can use `@teamsapp` to chat with GitHub Copilot and explore Teams app or Microsoft 365 Copilot agent development.