feat: linbot

restruct the project

app/DB/Session.py

@@ -0,0 +1,13 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from app.config import DATABASE_URL
+
+engine = create_engine(DATABASE_URL)
+SessionLocal = sessionmaker(bind=engine)
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()