Throwing error if the prefix specified is greater than 5 characters

Added space in prefix if it is greater than 1 character (Testing)

main.py

@@ -111,7 +111,10 @@ async def _ping(ctx):
 async def change_prefix(ctx, new: Optional[str]):
     # As long as a new prefix has been given and is less than 5 characters
     if new and len(new) < 5:
-
+        if len(new) > 1:
+            spaced_prefix = f"{new} "
+            await storage_prefix_for_guild(ctx, new)
+        else:
             # Store the new prefix in the dictionary and update the database
             await storage_prefix_for_guild(ctx, new)