Welcome to the world of Skript! You Skript works, but is easy to make. After a little experience, you can easily copy it all! Add more features that people find this interesting plugin. Ask for donations like this is your first plugin is irresponsible. You can ask, but I do not know who this would donate.
My tip: add more features and make a command (eg / broadcast change name (name) to which you [Name] can change yourself.!