Add custom routes to migration v2 (#14846)

## Context
Add routes to migration V2
- Resolvers
- Service v2
- Builder
- Validator
- Action runner

Next PR: Add to twenty-cli to sync routes with serverless

packages/twenty-server/src/engine/metadata-modules/cron-trigger/entities/cron-trigger.entity.ts

@@ -40,8 +40,8 @@ export class CronTrigger extends SyncableEntity {
   @JoinColumn({ name: 'serverlessFunctionId' })
   serverlessFunction: Relation<ServerlessFunctionEntity>;
 
-  @Column({ nullable: true, type: 'uuid' })
-  serverlessFunctionId: string | null;
+  @Column({ nullable: false, type: 'uuid' })
+  serverlessFunctionId: string;
 
   @Column({ nullable: false, type: 'uuid' })
   workspaceId: string;