WIP(rbac): Decorator object complete. TODO: Specify role in invite.
Allow admin to change other user's roles.
Fix(testing): Refactor controller tests for new space and user
Feat(email+upgrade): MVP support for user emails (after signup) and
Feat(stripe/billing): cms_billing table complete. NEXT: Allow users to
Feat(Big): Added a few things here...
* MVP stripe integration (new controller/server).
* Moved tmpl to views (package v).
* Added ability to create migrations.
* Added first migration. Remove user_to_space in favor of org table.
Feat(cache): Caching MVP for content only (single).
Feat(updating+json): Updating contents works. Can now deliver json
responses as well.