set up wind repo automated syncing

@Fabiola.maurice is curating the wind repo based on some other sources, once that is ready to go, then set up the automated update and deployment on the gp repo box.

These are the sources of the files distributed:

• https://f-droid.org (metadata: https://gitlab.com/fdroid/fdroiddata)
• https://guardianproject.info/fdroid (metadata: https://github.com/guardianproject/fdroid-metadata)
• https://apt.izzysoft.de/fdroid/