feat(server): user model (#9608)

packages/backend/server/src/models/index.ts

@@ -0,0 +1,17 @@
+import { Global, Injectable, Module } from '@nestjs/common';
+
+import { UserModel } from './user';
+
+const models = [UserModel] as const;
+
+@Injectable()
+export class Models {
+  constructor(public readonly user: UserModel) {}
+}
+
+@Global()
+@Module({
+  providers: [...models, Models],
+  exports: [Models],
+})
+export class ModelModules {}