Generate Plantuml Action Versions Save

• Fixed
  • Add missing entry message for action.yml

• add support for more extensions for both PlantUML files as well as Markdown Files
• add support for saving files to the same folder as source files by specifying . for the path option
• resolve security issues in dependencies via npm audit fix --force
• ignore deleted files in the changesets
• make commit message configurable and change default message to Render PlantUML files
• update README.md for extended extension support and updated version in github action config snippet
• setup github actions workflow for automated test runs and coverage reporting to CodeClimate

Thanks to @wyrfel !

• Bug Fix
  • Forgot to pass a required parameter.

• Bug fix
  • v1.1 fails if a push has multiple commits.
• Create only one commit per run.
• Commit svg files only when it is modified.