Add avatar_url and birthday fields to user schemas for image upload and birthday filtering

backend/app/schemas/user.py

@@ -1,6 +1,6 @@
 """User schemas."""
 from pydantic import BaseModel, Field
-from datetime import datetime
+from datetime import datetime, date
 from typing import Optional
 
 class UserBase(BaseModel):
@@ -10,6 +10,8 @@ class UserBase(BaseModel):
     full_name: Optional[str] = None
     discord_id: Optional[str] = None
     profile_picture: Optional[str] = None
+    avatar_url: Optional[str] = None
+    birthday: Optional[date] = None
 
 class UserCreate(UserBase):
     """Schema for creating a user."""
@@ -21,6 +23,7 @@ class UserUpdate(BaseModel):
     full_name: Optional[str] = None
     discord_id: Optional[str] = None
     profile_picture: Optional[str] = None
+    birthday: Optional[date] = None
     password: Optional[str] = None
     is_active: Optional[bool] = None