- Adds `GET /location-info?latitude=<...>&longitude=<...>` endpoint to
get information about a point at the given coordinates.
- Adds `nominatim` and `google` as reverse geocode providers.
- Adds support for automatic enrichment upon ingestion.
- Add versioning to API endpoints.
- Refactored $db and $repos as global variables.
- Extracted routes into separate components with deferred registration.
- Support for a different db URL for location data than the one used by
the application.
- Added sqlite and passport dependencies (passport will soon be used to
handle authentication).
