@PostMapping
    public ShenyuAdminResult createRule(@Valid @RequestBody final ScaleRuleDTO scaleRuleDTO) {
        return ShenyuAdminResult.success(ShenyuResultMessage.CREATE_SUCCESS, scaleRuleService.createOrUpdate(scaleRuleDTO));
    }
create scale rule.

@param scaleRuleDTO scaleRuleDTO
@return ShenyuAdminResult
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/ScaleRlueController.java