Bump version to 1.0.1 and enhance Discord Rich Presence features

Initial release: StatusCode v1.0.0 extension for Discord Rich Presenc…

…e in VS Code

- Add Discord Rich Presence integration for VS Code
- Implement automatic activity tracking with file type detection
- Add customizable status messages and privacy controls
- Include idle detection and reconnection handling
- Set up GitHub Actions workflow with automated releases
- Add comprehensive README with installation and configuration guide