Move manager-dashboard, community-dashboard and firebase

[tnagorra]

Base commit is at 2d41751d Diff after the split is at https://github.com/mapswipe/python-mapswipe-workers/compare/2d41751...dev

Changes

Separate out repositories into:

• Community Dashboard (https://github.com/mapswipe/community-dashboard)
• Manager Dashboard (https://github.com/mapswipe/manager-dashboard)
• Mapswipe Firebase (https://github.com/mapswipe/mapswipe-firebase)

:rotating_light: :rotating_light: Post Actions :rotating_light: :rotating_light:

• [ ] Update documentation on how to use submodules
• [ ] Setup github deploy keys in dev and production VM (for pulling submodules)