Implemented a servers property into revolt.Client (#36)

* Implement mention for users, members and channels

* Add servers property to revolt.Client

* Forgot to add the docstring for revolt.servers

* fix typo in revolt.Client.servers docstring

Author: sniff122

revolt/client.py

@@ -185,6 +185,11 @@ def users(self) -> list[User]:
         """list[:class:`User`] All users the client can see"""
         return list(self.state.users.values())
 
+    @property
+    def servers(self) -> list[Server]:
+        """list[:class:'Server'] All servers the client can see"""
+        return list(self.state.servers.values())
+
     async def fetch_user(self, user_id: str) -> User:
         """Fetchs a user