🏷️ Added id to Friend model & changed the id of Pin to optional str

app/models/friend.py

@@ -1,7 +1,9 @@
-from pydantic import BaseModel
+from typing import Optional
+from pydantic import BaseModel, Field
 
 
 class Friend(BaseModel):
+    id: Optional[str]
     user_id: str
     friend_user_id: str
     status: str

app/models/pin.py

@@ -1,5 +1,7 @@
+from typing import Optional
 from pydantic import BaseModel
 
 class Pin(BaseModel):
+    id: Optional[str]
     title: str
     description: str