Login Handler for FastAPI

Example

Can be found in ./doc/example/user_api.py

NOTE

• Unsure if it is good or bad I add myown slat ontop of argon2's auto salt!?

TODO

• Update to the newst version of FastAPI
• Update to the newst version of SQLAlchemy
• Randomize the user IDs
• Use Logging from python.
• Move salt to another table/DB.
• Should not return the DB Schema, but the pydantic schema.