Initial commit: teaching institution management API.

Express/MongoDB backend with JWT auth, RBAC, S3 uploads, notifications, and scheduled jobs.

events/eventEmitter.js

@@ -0,0 +1,9 @@
+// /events/eventEmitter.js
+
+const EventEmitter = require('events');
+
+class DomainEventEmitter extends EventEmitter {}
+
+const eventEmitter = new DomainEventEmitter();
+
+module.exports = eventEmitter;