feat: add redis registry

[justlorain]

What type of PR is this?

feat: A new feature

What this PR does / why we need it (English/Chinese):

en: Support redis registry. zh: 添加redis作为注册中心

Which issue(s) this PR fixes:

Fixes #23

[li-jin-gou]

ci need to resolve

[L2ncE]

add license https://github.com/hertz-contrib/registry/tree/main/licenses

[justlorain]

add license https://github.com/hertz-contrib/registry/tree/main/licenses

done, thx

[zstone12]

lgtm