feat: begin to add support for multiple teams

main.py

@@ -59,14 +59,15 @@ def add_players(players: list[Player]):
         session.commit()
 
 
-async def list_players():
+async def list_players(team_id: int):
     with Session(engine) as session:
-        statement = select(Player).order_by(Player.display_name)
-        players = session.exec(statement).fetchall()
-        return [
-            player.model_dump(include={"id", "display_name", "number"})
-            for player in players
-        ]
+        statement = select(Team).where(Team.id == team_id)
+        players = [t.players for t in session.exec(statement)][0]
+        if players:
+            return [
+                player.model_dump(include={"id", "display_name", "number"})
+                for player in players
+            ]
 
 
 async def read_teams_me(user: Annotated[Player, Depends(get_current_active_user)]):