feat: Update endpoint login

endpoints/login.post.py

@@ -9,7 +9,7 @@ async def login_demo(
     username: str = "demo",
     password: str = "password"
 ):
-    """Demo login endpoint"""
+    """Demo loginendpoint"""
     user = fake_users_db.get(username)
     if not user or user["password"] != password:
         raise HTTPException(status_code=400, detail="Invalid credentials")