feat(Git Sync): Introduce Git Projects

[gatzjames]

Highlights:

• Added new project type: Git
• Git projects allow syncing the entire project using a single repository
• Git projects have a single sync dropdown for commit/sync actions accessible from all project files

Closes INS-4248

[filfreire]

LGTM - we tested locally, there's some minor things but are not blockers of Beta release

[sentry-io]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ TypeError: Failed to fetch refreshCookie(C:/PRIV/Insomnia - Copie/data/plu... View Issue

_{Did you find this useful? React with a 👍 or 👎}