feat: use Mapped syntax for columns

src/database.py

@@ -5,10 +5,9 @@ Exports:
  - db_dependency
  - Base (sqlalchemy base model)
 """
-
 from typing import Annotated
 from sqlalchemy import create_engine, StaticPool
-from sqlalchemy.orm import DeclarativeBase, sessionmaker, Session
+from sqlalchemy.orm import sessionmaker, Session
 
 from fastapi import Depends
 
@@ -41,7 +40,3 @@ def get_db():
 
 
 db_dependency = Annotated[Session, Depends(get_db)]
-
-
-class Base(DeclarativeBase):
-	pass