Added deprecation notice

classes/pyroclient.py

@@ -9,7 +9,10 @@ from modules.database import col_users
 
 class PyroClient(PyroClient):
     async def find_user(self, user: Union[int, User]) -> PyroUser:
-        """Find User by it's ID or User object
+        """Find User by it's ID or User object.
+
+        ### ⚠️ WARNING
+            Method is deprecated, `PyroUser.find()` is a preferred way to find users
 
         ### Args:
             * user (`Union[int, User]`): ID or User object to extract ID from