Update app/Http/Controllers/StaffsController.php, routes/web.php, app/Http/Controllers/RewardController.php, app/Models/Reward.php, database/migrations/2024_04_24_061827_create_rewards_table.php, resources/js/Pages/Reward/Create.vue, resources/js/Pages/Reward/Index.vue, resources/js/Pages/Reward/Show.vue