refactor(daxpay): 修正收银台相关接口命名

daxpay-single/daxpay-single-service/src/main/java/org/dromara/daxpay/service/controller/unipay/CheckoutController.java

@@ -39,9 +39,9 @@ public class CheckoutController {
 
     @PaymentVerify
     @Operation(summary = "创建一个收银台链接")
-    @PostMapping("/creat")
-    public DaxResult<CheckoutUrlResult> creat(@RequestBody CheckoutCreatParam checkoutParam){
-        return DaxRes.ok(checkoutService.creat(checkoutParam));
+    @PostMapping("/create")
+    public DaxResult<CheckoutUrlResult> create(@RequestBody CheckoutCreatParam checkoutParam){
+        return DaxRes.ok(checkoutService.create(checkoutParam));
     }
 
     @Operation(summary = "根据订单号和收银台方式获取收银台链接")

daxpay-single/daxpay-single-service/src/main/java/org/dromara/daxpay/service/service/checkout/CheckoutService.java

@@ -56,7 +56,7 @@ public class CheckoutService {
     /**
      * 生成收银台链接
      */
-    public CheckoutUrlResult creat(CheckoutCreatParam checkoutParam){
+    public CheckoutUrlResult create(CheckoutCreatParam checkoutParam){
         // 校验支付限额
         checkoutAssistService.validationLimitAmount(checkoutParam);
         // 校验超时时间, 不可早于当前