ES Modulesに移行

src/backend/controllers/index.ts

@@ -0,0 +1,13 @@
+import {MetaController} from './meta.js';
+import {AdminController} from './admin.js';
+import {AnnouncementController} from './announcement.js';
+import {RankingController} from './ranking.js';
+import {SessionController} from './session.js';
+
+export default [
+  MetaController,
+  AdminController,
+  AnnouncementController,
+  RankingController,
+  SessionController,
+];