feat: Themes (#257)

* feat: add trait to unify get by id or slug logic

* feat: add Theme resource

* fix: categories and themes

* feat: update api docs for projects to themes relationship

* feat: update doctrine relationship of projects to themes

* feat: add v3 categories to v4 themes pumping during projects pumping

src/Repository/Project/ProjectRepository.php

@@ -4,6 +4,7 @@ namespace App\Repository\Project;
 
 use App\Entity\Accounting\Accounting;
 use App\Entity\Project\Project;
+use App\Repository\FindByIdOrSlugTrait;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\Persistence\ManagerRegistry;
 
@@ -17,6 +18,8 @@ use Doctrine\Persistence\ManagerRegistry;
  */
 class ProjectRepository extends ServiceEntityRepository
 {
+    use FindByIdOrSlugTrait;
+
     public function __construct(ManagerRegistry $registry)
     {
         parent::__construct($registry, Project::class);
@@ -31,15 +34,6 @@ class ProjectRepository extends ServiceEntityRepository
             ->getOneOrNullResult();
     }
 
-    public function findOneByIdOrSlug(mixed $idOrSlug): ?Project
-    {
-        if (\is_numeric($idOrSlug)) {
-            return $this->find($idOrSlug);
-        }
-
-        return $this->findOneBy(['slug' => $idOrSlug]);
-    }
-
     //    /**
     //     * @return Project[] Returns an array of Project objects
     //     */