Add client.setup and move readying commands to that

discord/client.py

@@ -595,7 +595,7 @@ class Client:
     async def start(self, token: str, *, reconnect: bool = True) -> None:
         """|coro|
 
-        A shorthand coroutine for :meth:`login` + :meth:`connect`.
+        A shorthand coroutine for :meth:`login` + :meth:`setup` + :meth:`connect`.
 
         Raises
         -------
@@ -603,8 +603,19 @@ class Client:
             An unexpected keyword argument was received.
         """
         await self.login(token)
+        await self.setup()
         await self.connect(reconnect=reconnect)
 
+    async def setup(self) -> Any:
+        """|coro|
+
+        A coroutine to be called to setup the bot, by default this is blank.
+
+        To perform asynchronous setup after the bot is logged in but before
+        it has connected to the Websocket, overwrite this coroutine.
+        """
+        pass
+
     def run(self, *args: Any, **kwargs: Any) -> None:
         """A blocking call that abstracts away the event loop
         initialisation from you.