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/args/find-unique-universal.args.ts

@@ -0,0 +1,10 @@
+import { ArgsType, Field } from '@nestjs/graphql';
+
+import { BaseUniversalArgs } from './base-universal.args';
+import { UniversalEntityInput } from './universal-entity.input';
+
+@ArgsType()
+export class FindUniqueUniversalArgs extends BaseUniversalArgs {
+  @Field(() => UniversalEntityInput, { nullable: true })
+  where?: UniversalEntityInput;
+}