feat: nickname based commands

src/embeds/badNicknameFormat.ts

@@ -0,0 +1,6 @@
+import errorEmbed from '../utilities/errorEmbed.js';
+
+export const badNicknameFormat = errorEmbed(
+  'Bad nickname format',
+  'I expected your nickname to be... \n\n```\nIN_GAME_NAME (SERVER) [CLAN_TAG]\n```\nUse the `/verify` command to setup your nickname correctly or manually provide me with your in-game name and server in the command.',
+);