public static RuleVO buildRuleVO(final RuleDO ruleDO) {
        return buildRuleVO(ruleDO, null);
    }
build ruleVO.

@param ruleDO {@linkplain RuleDO}
@return {@linkplain RuleVO}
shenyu-admin/src/main/java/org/apache/shenyu/admin/model/vo/RuleVO.java