add leaderboard

submission/schemas.py

@@ -105,3 +105,11 @@ class SubmissionFilter(Schema):
 
 class FlagIn(Schema):
     flag: Optional[Literal["red", "blue", "green", "yellow"]] = None
+
+
+class MyScoreOut(Schema):
+    task_id: int
+    task_display: int
+    task_title: str
+    score: float
+    created: str