Add plugin: GitHub Repo Notes

[eLafo]

Adds github-repo-notes plugin

I am submitting a new Community Plugin

Repo URL

Link to my plugin: https://github.com/eLafo/github-repo-notes

Release Checklist

• [x] I have tested the plugin on
  • [] Windows
  • [x] macOS
  • [] Linux
  • [ ] Android (if applicable)
  • [ ] iOS (if applicable)
• [ ] My GitHub release contains all required files (as individual files, not just in the source.zip / source.tar.gz)
  • [X] main.js
  • [X] manifest.json
  • [X] styles.css (optional)
• [X ] GitHub release name matches the exact version number specified in my manifest.json (Note: Use the exact version number, don't include a prefix v)
• [X] The id in my manifest.json matches the id in the community-plugins.json file.
• [X] My README.md describes the plugin's purpose and provides clear usage instructions.
• [X] I have read the developer policies at https://docs.obsidian.md/Developer+policies, and have assessed my plugins's adherence to these policies.
• [x] I have read the tips in https://docs.obsidian.md/Plugins/Releasing/Plugin+guidelines and have self-reviewed my plugin to avoid these common pitfalls.
• [x] I have added a license in the LICENSE file.
• [x] My project respects and is compatible with the original license of any code from other plugins that I'm using. I have given proper attribution to these other projects in my README.md.