feat: wire superadmin p1 data

backend/app/http/super/v1/dto/super_withdrawal.go

@@ -0,0 +1,7 @@
+package dto
+
+// SuperWithdrawalRejectForm 超管驳回提现表单。
+type SuperWithdrawalRejectForm struct {
+	// Reason 驳回原因。
+	Reason string `json:"reason" validate:"required"`
+}