feat: confirm participation

src/index.ts

@@ -62,6 +62,12 @@ client.on(Events.MessageCreate, async(message) => {
   }
   if (!activeIds.includes(message.author.id)) {
     activeIds.push(message.author.id);
+    await message.channel.send({
+      allowedMentions: {
+        parse: [],
+      },
+      content: `-# Thank you for your progress update, <@${message.author.id}>! Your participation for today has been recorded.`,
+    });
   }
 });