Added achievement data

app/Models/Achievement.php

@@ -37,10 +37,12 @@ class Achievement extends Model
         'difficulty_description',
         'achievement_category_id',
         'achievement_difficulty_id',
+        'threshold',
     ];
 
     protected $casts = [
         'progressive' => 'boolean',
+        'threshold' => 'integer',
     ];
 
     // ---------------------------------------------------------------