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>

infra/dev/postgres/init.sql

@@ -7,3 +7,9 @@ CREATE DATABASE "test";
 -- Create a twenty user
 CREATE USER twenty PASSWORD 'twenty';
 ALTER USER twenty CREATEDB;
+
+-- Connect to the "default" database
+\c "default";
+
+-- Create the metadata schema if it doesn't exist
+CREATE SCHEMA IF NOT EXISTS "metadata";