- added function to upgrade language translations

- maintenance gate

app/Models/LanguageTranslation.php

@@ -4,6 +4,9 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 
+/**
+ * @method static whereLang(string $string)
+ */
 class LanguageTranslation extends Model
 {
     public $timestamps = false;