add acounts

app/database.py

@@ -0,0 +1,13 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from .models import Base
+
+DATABASE_URL = "sqlite:///./multidrive.db"
+
+engine = create_engine(
+    DATABASE_URL, connect_args={"check_same_thread": False}
+)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+def init_db():
+    Base.metadata.create_all(bind=engine)