Move core-bot samples to the archive

[ceciliaavila]

#minor

Proposed Changes

This PR moves the core bot samples of C#, JS, TS, Python, and Java to the archive folder.
It also removes the samples from the README's index.

Detailed Changes

• Moved the following samples to the archive folder:
  • csharp-dotnet\13.core-bot
  • csharp-dotnet\13.core-bot.tests
  • csharp-dotnet\21.corebot-app-insights
  • java_springboot\13.core-bot
  • java_springboot\21.corebot-app-insights
  • javascript_nodejs\13.core-bot
  • javascript_nodejs\21.corebot-app-insights
  • python\13.core-bot
  • python\21.corebot-app-insights
  • typescript_nodejs\13.core-bot

Testing

This image shows the samples moved to the archive.