Add support for multiple detail sertifikat

Enhanced the request validation, model, and Blade template to support multiple detail sertifikat entries, which are now encoded in JSON format. Additionally, added a dynamic form for entry, including delete functionality for each sertifikat entry.

app/Models/PemilikJaminan.php

@@ -30,7 +30,8 @@ class PemilikJaminan extends Base
         'status',
         'authorized_at',
         'authorized_status',
-        'authorized_by'
+        'authorized_by',
+        'detail_sertifikat',
     ];
 
     public function province()