Auto create new releases

[philipqueen]

Closes #16.

Checklist from the issue:

Create a GH Action that:

• On new tag
  • Create .zip from [repo-root]/freemocap_blender_addon/ folder
  • Create new Release (named v[VersionTag] Release or something)
  • Paste boiler plate instructions to Patch notes (see v1.3.0)
  • Auto generate Release notes

Bonus!

• Create and run build tests, including:
  • Install .zip to blender via subporocess blender ... call
  • Process freemocap_test_data to produce a freemocap_test_data_processed_with_[VersionTag].blend file, and attach to the release