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/universal-entity.input.ts

@@ -0,0 +1,18 @@
+import { Field, ID, InputType } from '@nestjs/graphql';
+
+import GraphQLJSON from 'graphql-type-json';
+
+@InputType()
+export class UniversalEntityInput {
+  @Field(() => ID, { nullable: true })
+  id?: string;
+
+  @Field(() => GraphQLJSON, { nullable: true })
+  data?: Record<string, unknown>;
+
+  @Field(() => Date, { nullable: true })
+  createdAt?: Date;
+
+  @Field(() => Date, { nullable: true })
+  updatedAt?: Date;
+}