Setup CD to demo site

[KCarlile]

Background

The demo site should be automatically pushed to demo.kcarlile.com when a new release is cut.

Acceptance Criteria

• When a tag is applied to main (when a release is cut), the docs/examples/ directory should be pushed to demo.kcarlile.com/guitar-diagrams-js/ via GitHub Actions ✅

Approach

• Create symlinks for local references
• Create GitHub Action to copy the files to demo.kcarlile.com/guitar-diagrams-js/
  • Add step to overwrite the symlinks with actual files

Notes

Consider pushing to FlashChord.com as well. (Maybe later.)

[KCarlile]

PR: #19

[KCarlile]

This is now working, but it can't reference the JS libraries as we're only copying over the examples directory, so this needs to be fixed.

[KCarlile]

PR: #20