Upload .cab solution

Fix the solution import failure (now requires .cab solution)

43: Merge pull request #56 from microsoft/teams-admin-center-note

Update INSTALLATION.md

Merge pull request #42 from microsoft/update_sovereign_manifests

edit file names of localization jsons in app manifests

41

Merge pull request #41 from microsoft/sovereign_cloud_installation_in…

40: Merge pull request #36 from microsoft/update_installation_instructions

Update INSTALLATION.md

39: Merge pull request #35 from microsoft/hdsouza-ms-patch-1

Update INSTALLATION.md

38: Merge pull request #34 from microsoft/update_manifest_urls

change urls and update developer name

37

Add teams package for sovereign (#33)

36: Merge pull request #31 from microsoft/add_sovereign_app_manifests

Add sovereign app manifests

35: remove space in folder names (#28)

Co-authored-by: Shuo Chen <shuc@microsoft.com>