Added the ability to add project information.

app/application/app/Services/ProjectContent/ProjectContentCommandHandler.php

@@ -0,0 +1,27 @@
+<?php declare(strict_types=1);
+
+namespace App\Services\ProjectContent;
+
+use App\Models\ProjectContent;
+
+final readonly class ProjectContentCommandHandler
+{
+    public function handleStore(int $projectId, int $languageId, array $data): ProjectContent
+    {
+        $content = new ProjectContent();
+        $content->project_id = $projectId;
+        $content->language_id = $languageId;
+
+        $content->fill($data);
+        $content->save();
+
+        return $content;
+    }
+
+    public function handleUpdate(ProjectContent $content, array $data): ProjectContent
+    {
+        $content->update($data);
+
+        return $content;
+    }
+}