使用Engines简单实现redis上线，仅作为接入样例

[hhyo]

test case 待补充

• RedisEngine 新增execute_check、execute_workflow方法实现
• 检测不做处理，全部通过
• 执行有正常结束和异常终止状态
• 工单类型全部为标记为其他

[codecov]

Codecov Report

Merging #101 into master will increase coverage by 0.4%.
The diff coverage is 89.36%.

@@            Coverage Diff            @@
##           master     #101     +/-   ##
=========================================
+ Coverage   68.27%   68.67%   +0.4%     
=========================================
  Files          61       61             
  Lines        6105     6146     +41     
=========================================
+ Hits         4168     4221     +53     
+ Misses       1937     1925     -12

Impacted Files	Coverage Δ
sql/engines/tests.py	100% <100%> (ø)	⬆️
sql/models.py	95.62% <100%> (ø)	⬆️
sql/sql_workflow.py	57.26% <100%> (ø)	⬆️
sql/engines/redis.py	85.71% <80%> (-2.62%)	⬇️
sql/engines/models.py	65.97% <0%> (+17.52%)	⬆️

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[LeoQuote]

就是单元测试暂时没跟上。
如果能前端能再少改一些就好了，比如label能不能用choices进行渲染？

（其实感觉也没太大必要，数据库类型总共没几个

[hhyo]

第一次接入，修改的前端比较多，后续就只要加一行就好了