Delete rooms done

lib/room.go

@@ -129,3 +129,9 @@ func GetRoomMembers(roomID int) ([]User, error) {
 	}
 	return members, nil
 }
+
+// delete room by id
+func DeleteRoom(id int) error {
+	_, err := DB.Exec("DELETE FROM rooms WHERE id = ?", id)
+	return err
+}