Adds the following:
- Add GetContent API (with gitrpc, proto, gitadapter changes)
- Add ListCommits API (with gitrpc, proto, gitadapter changes)
- DefaultBranch (to repo table in DB, update branch in git-repo, have default value in config)
* initial work on create repository
* create repository as single method call using client stream
* resources handler and files
* minor fix for wire dep graph
Adds the basic for harness embedded mode:
- Harness dedicated router with custom APIHandler
- Inline Space Creation
- Client for Account/Org/Project
- Bootstrap (Allows for automated creation of admin user and gitness service (used for all platform required ops))
- Inline harness service principal creation
- Ignore flag for ACL.
