feat: 更新提现功能，新增提现方式和状态枚举，优化提现审批流程

src/enum/index.ts

@@ -16,3 +16,16 @@ export enum RwaStatusEnum {
   approved = '已通过',
   rejected = '已拒绝'
 }
+
+export enum WithdrawMethodEnum {
+  bank = '银行转账',
+  crypto = '加密货币转账',
+  cash = '现金提现'
+}
+
+export enum WithdrawStatusEnum {
+  pending = '待处理',
+  approved = '已通过',
+  rejected = '已拒绝',
+  completed = '已完成'
+}