feat: CreateMangaFromMangadex endpoint + tests, missing image saving

src/Domain/Manga/Infrastructure/ApiPlatform/Resource/CreateMangaResource.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Domain\Manga\Infrastructure\ApiPlatform\Resource;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Post;
+use App\Domain\Manga\Infrastructure\ApiPlatform\State\Processor\CreateMangaProcessor;
+use Symfony\Component\Validator\Constraints as Assert;
+
+#[ApiResource(
+    shortName: 'CreateManga',
+    operations: [
+        new Post(
+            uriTemplate: '/mangas/create-from-mangadex',
+            processor: CreateMangaProcessor::class,
+            openapiContext: [
+                'summary' => 'Create a new manga from Mangadex',
+                'description' => 'Creates a new manga by fetching its data from Mangadex using an external ID'
+            ]
+        )
+    ]
+)]
+class CreateMangaResource
+{
+    #[Assert\NotBlank]
+    public string $externalId;
+}