Added Image Attribute

Due to this function images can show in frontend and admin both.

Modules/Page/Entities/Page.php

@@ -77,4 +77,15 @@ public function __call($method, $parameters)
         #i: No relation found, return the call to parent (Eloquent) to handle it.
         return parent::__call($method, $parameters);
     }
+
+    public function getImageAttribute()
+    {
+        $thumbnail = $this->files()->where('zone', 'image')->first();
+
+        if ($thumbnail === null) {
+            return '';
+        }
+
+        return $thumbnail;
+    }
 }