Minumtium-fastapi

Changed

- Changed the Dependency Injection system to allow for multiple application instances.
- Changed the way routes are created to allow for multiple route instances.
- Disabled the SQLite adapter in tests because using SQLite in memory is a nightmare.

Fixed

- Error in dependency injection was causing a null issue using the authentication adapter.

Added

- Added posts routes.
- Added users routes.
- Added auth routes.