Run package linter in GitHub Actions

It seems nobody used github actions, right?

I added a simple action to my project to run the package linter :wink:

The source code is here:

Because my “pyinventory_ynh” app currently always fails because:

✘✘✘ The application is not flagged as working in YunoHost’s apps catalog


For fix this problem, you will need to change the apps.json file for change the status of your app to working!