feat: add admin order refund action

apps/admin/public/assets/locales/en-US/order.json

@@ -1,17 +1,25 @@
 {
   "amount": "Amount",
   "couponDiscount": "Coupon Discount",
+  "confirmRefund": "Confirm refund",
   "discount": "Discount Amount",
   "feeAmount": "Fee Amount",
   "method": "Payment Method",
   "orderNumber": "Order Number",
+  "refund": "Refund",
+  "refundConfirmDescription": "This refund will immediately invalidate the user's subscription and deduct the related agent commission.",
+  "refundConfirmTitle": "Confirm refund",
+  "refundConfirmWarning": "This action cannot be repeated after the order is refunded.",
+  "refundSubmitting": "Refunding...",
+  "refundSuccess": "Refund completed.",
   "status": {
     "0": "Status",
     "1": "Pending",
     "2": "Paid",
     "3": "Cancelled",
     "4": "Closed",
-    "5": "Completed"
+    "5": "Completed",
+    "6": "Refunded"
   },
   "subscribe": "Subscribe",
   "subscribePrice": "Subscription Price",

apps/admin/public/assets/locales/zh-CN/order.json

@@ -1,17 +1,25 @@
 {
   "amount": "金额",
   "couponDiscount": "优惠券折扣",
+  "confirmRefund": "确认退费",
   "discount": "折扣金额",
   "feeAmount": "手续费",
   "method": "支付方式",
   "orderNumber": "订单编号",
+  "refund": "退费",
+  "refundConfirmDescription": "该退费操作会使用户订阅立即失效，并扣减关联代理佣金。",
+  "refundConfirmTitle": "确认退费",
+  "refundConfirmWarning": "订单退费后不可再次重复执行，请谨慎操作。",
+  "refundSubmitting": "退费中...",
+  "refundSuccess": "退费成功。",
   "status": {
     "0": "状态",
     "1": "待支付",
     "2": "已支付",
     "3": "已取消",
     "4": "已关闭",
-    "5": "已完成"
+    "5": "已完成",
+    "6": "已退费"
   },
   "subscribe": "订阅",
   "subscribePrice": "订阅价格",