feat: support nacos registry

[gxcsoccer]

Checklist

• npm test passes
• tests and/or benchmarks are included
• documentation is changed or added
• commit message follows commit guidelines

Affected core subsystem(s)

Description of change

[codecov-io]

Codecov Report

Merging #6 into master will decrease coverage by 13.97%.
The diff coverage is 84.7%.

@@             Coverage Diff             @@
##           master       #6       +/-   ##
===========================================
- Coverage     100%   86.02%   -13.98%     
===========================================
  Files           2        3        +1     
  Lines          10       93       +83     
===========================================
+ Hits           10       80       +70     
- Misses          0       13       +13

Impacted Files	Coverage Δ
lib/registry/zk.js	100% <ø> (ø)
config/config.default.js	100% <100%> (ø)	⬆️
lib/registry/nacos.js	82.66% <82.66%> (ø)

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[gxcsoccer]

1.1.0