Refactor CLI structure
- Changed `sb component add` to `sb add component ...` commands.
- Added `sb terraform *` as alias of `sb infra *` commands.
- `sb terraform apply --all` to init an apply all terraform stages.
- Added `sb init` to restore `sb.yaml`.
- Added template path supports for local folder and remote Git repo.
- Updated `sb new` to support external path.
- Updated template_root to load other modules dynamically.
- Updated with Artifact Registry from Container Registry.
- Removed `project_number` in the variable.
Misc updates
- Added support for Python 3.10.x, 3.11.x
- Moved `task_dispatch_service` to `experimnets` folder.