Discord nickname to minecraft nickname.

just add a command after linking and removing linking in the config file. thats how i did it.
Unnecessary feature.

If this is possible using command configuration, then It'd be handy to see a guide of various 'recipes' that people can share to do tricks like this.

%discorddisplayname% is available on MinecraftDiscordAccountLinkedConsoleCommands, that could be used with Essentials or other nickname command to forcefully change someones nickname, though that will only set it when the user links & Discord nicknames can contain characters that Minecraft doesn't support/render