[#1] added keywords to processing

app/Models/Keyword.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Keyword extends Model
+{
+    //
+}

app/Models/Movie.php

@@ -52,4 +52,9 @@ class Movie extends Model
     {
         return $this->belongsToMany(Image::class, 'movie_images', 'movie_id', 'image_id');
     }
+
+    public function keywords()
+    {
+        return $this->belongsToMany(Keyword::class, 'movie_keywords', 'movie_id', 'leyword_id');
+    }
 }