refactor : wallet api 수정

Author: eugene225

src/main/java/org/prgrms/kdtspringdemo/wallet/controller/WalletWebController.java

@@ -46,7 +46,7 @@ public String viewWallet(@PathVariable UUID walletId, Model model) {
         return "wallet_details";
     }
 
-    @PostMapping("/{walletId}/addVoucher")
+    @PostMapping("/{walletId}/add-voucher")
     public String addVoucherToWallet(
             @PathVariable UUID walletId,
             @ModelAttribute AddVoucherToWalletDto addVoucherToWalletDto) {

src/main/resources/templates/wallet_details.html

@@ -56,7 +56,7 @@ <h1 class="mt-5">Wallet Details</h1>
     </table>
 
     <h2>Add Voucher to Wallet</h2>
-    <form th:action="@{'/wallets/' + ${walletId} + '/addVoucher'}" method="post" th:object="${addVoucherToWalletDto}">
+    <form th:action="@{'/wallets/' + ${walletId} + '/add-voucher'}" method="post" th:object="${addVoucherToWalletDto}">
         <div class="form-group">
             <label for="selectedVoucherId">Select a Voucher</label>
             <select class="form-control" id="selectedVoucherId" name="selectedVoucherId">