Define data schemas

[jon-bell]

• Data types
  • User (SSO)
  • Repository
  • Organization (not tied to GH?)
  • Workflow run
  • Workflow job run
  • Runner configuration

[rajatkeshri]

Current database schema (open to changes)

[jon-bell]

changes:

• org_repo should be org/repo not org/user
• create org_user
• user_repo_join should go away, the link between repo and user will be an "owner" field in repo