fix: add nullable (#163) (#165)

Author: 64knl

database/migrations/2023_10_25_171457_add_created_at_to_menu_table.php

@@ -12,7 +12,7 @@
     public function up(): void
     {
         Schema::table('menu', function (Blueprint $table) {
-            $table->timestamp('created_at');
+            $table->timestamp('created_at')->nullable();
         });
     }