Add events module with dashboard UI, scheduling, signups, and settings updates; extend env/readme.

src/events/channelUpdate.ts

@@ -0,0 +1,19 @@
+import { GuildChannel } from 'discord.js';
+import { EventHandler } from '../utils/types';
+import { context } from '../config/context';
+
+const event: EventHandler = {
+  name: 'channelUpdate',
+  execute(oldChannel: GuildChannel, newChannel: GuildChannel) {
+    if (!newChannel.guild) return;
+    const nameChanged = oldChannel.name !== newChannel.name;
+    if (nameChanged) {
+      context.logging.logSystem(
+        newChannel.guild,
+        `Channel umbenannt: ${oldChannel.name} -> ${newChannel.name} (${newChannel.id})`
+      );
+    }
+  }
+};
+
+export default event;