Add result endpoints

src/models/result.py

@@ -0,0 +1,20 @@
+from pydantic import BaseModel, Field
+
+
+class Result(BaseModel):
+    song_id: int = Field(description="ID of the song", examples=[1])
+    total_reviews: int = Field(0, description="Total number of reviews", examples=[10])
+    avg_score_song: float = Field(
+        description="Average score for song quality", examples=[85.5]
+    )
+    avg_score_show: float = Field(
+        description="Average score for stage show", examples=[82.3]
+    )
+    avg_score_costume: float = Field(
+        description="Average score for wardrobe/costumes", examples=[88.1]
+    )
+    avg_total_score: float = Field(description="Average total score", examples=[85.5])
+
+
+class TeamResult(Result):
+    team_id: int = Field(description="ID of the team", examples=[1])