first commit

app/Contracts/AttachmentAble.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Contracts;
+
+use App\Models\Attachment;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
+
+interface AttachmentAble
+{
+    /**
+     * @return Attachment[]
+     */
+    public function attachments();
+    public function attachmentsRelation(): MorphMany;
+
+    public function getProjectId(): int;
+}