feat: grant role when user applies our tag

src/index.ts

@@ -11,6 +11,7 @@ import {
   postFreeCodeCampNews,
   postHackerNews,
 } from "./modules/postNews.js";
+import { processUserGuildTag } from "./modules/processUserGuildTag.js";
 import { respondToDm } from "./modules/respondToDm.js";
 import { instantiateServer } from "./server/serve.js";
 import { logger } from "./utils/logger.js";
@@ -54,5 +55,9 @@ amari.discord.on(Events.InteractionCreate, (interaction) => {
   }
 });
 
+amari.discord.on(Events.UserUpdate, (_oldUser, updatedUser) => {
+  void processUserGuildTag(amari, updatedUser);
+});
+
 await amari.discord.login(process.env.BOT_TOKEN);
 instantiateServer();