(events): added messageCreate & messageUpdate. this also removes the

`shardReady` event as it isn't in use.

src/events/message/messageUpdate.ts

@@ -0,0 +1,12 @@
+import { CommandClient, Event, Message } from "athena-prime";
+import { database } from "../../utils";
+
+class MessageUpdateEvent extends Event<CommandClient> {
+  event: string = 'messageUpdate' as const;
+
+  async handle(context: CommandClient<any, any>, message: Message, _: Message) {
+    await database.updateMessage(message);
+  }
+}
+
+export default new MessageUpdateEvent('messageUpdate');