/dm Command that allows higher ups to DM multiple users at once the same message, through the bot.
Command works with and without command options.
Up to 15 users allowed with command options/shortcut
Message limit of 1014 chars (embed field limit).
If only message or only users were specified through command options, informs user that it does not work like that.
If no message or users were specified in command options, sends embed with buttons, and will direct user to add a message and set all the members they'd like the bot to dm.
/dm Command that allows higher ups to DM multiple users at once the same message, through the bot.