feat: add findAll and findUnique resolver for universal objects (#1576)

* wip: refacto and start creating custom resolver

* feat: findMany & findUnique of a custom entity

* feat: wip pagination

* feat: initial metadata migration

* feat: universal findAll with pagination

* fix: clean small stuff in pagination

* fix: test

* fix: miss file

* feat: rename custom into universal

* feat: create metadata schema in default database

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

server/src/tenant/universal/universal.service.spec.ts

@@ -0,0 +1,27 @@
+import { Test, TestingModule } from '@nestjs/testing';
+
+import { DataSourceService } from 'src/tenant/metadata/data-source/data-source.service';
+
+import { UniversalService } from './universal.service';
+
+describe('UniversalService', () => {
+  let service: UniversalService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        UniversalService,
+        {
+          provide: DataSourceService,
+          useValue: {},
+        },
+      ],
+    }).compile();
+
+    service = module.get<UniversalService>(UniversalService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});