✨ Add get_admin_user guard for routes

app/routes/utils.py

@@ -41,6 +41,14 @@ async def get_current_user(token: str = Depends(oauth2_scheme)) -> User:
     
     return user_serialize(user)
 
+async def get_admin_user(current_user: User = Depends(get_current_user)):
+    if not current_user.is_admin:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="You don't have admin privileges"
+        )
+    return current_user
+
 def create_access_token(data: dict, expires_delta: timedelta):
     to_encode = data.copy()