New commands, one per Forgejo API call used to move the heavy-duty
repositories into the new heavy-duty organization:
- stoke org create (POST /api/v1/orgs)
- stoke org repos (GET /api/v1/orgs/{org}/repos)
- stoke org avatar (POST /api/v1/orgs/{org}/avatar)
- stoke repo transfer (POST /api/v1/repos/{owner}/{repo}/transfer)
All commands documented in the README.
