Expand Repository Links

Why do we need this ?

As a GitHub App developer

I need to:

Add a listener for channels messages and extend repository links and extend the message with ActionBlock with buttons

So That:

Users can star the repo, open a new issue or navigate to issues or pull requests

Acceptance Criteria

• Add Listener for channel messages for GitHub Repository links
• Extend messages containing repository link with action blocks so that users to perform mentioned actions from the message itself.

Further Comments / References

• Documentation : IModfiyCreater to add Action Blocks
• Documentation : Extending Messages
• Similar Code