Declare read-only resources and the owner relationship once each, make
the resource hook helpers private, simplify token auth, and cache the
generated API docs for an hour.
- Introduced `PhotoResource`, `PlantingResource`, and `SeedResource` to manage respective models.
- Updated application configuration to include API base URL.
- Modified production and test environments to set API base URL dynamically.
- Removed outdated JSONAPI resources initializers and patches.
- Refactored routes to use resourceful routing for API endpoints.
- Updated request specs to reflect changes in API responses and relationships.
- Added helper methods for generating related links in request specs.