add standard framework for service discovery

[waynepeking348]

What type of PR is this?

enhancements

What this PR does / why we need it:

add standard framework to support multiple service discovery implementations

[codecov]

Codecov Report

Attention: 409 lines in your changes are missing coverage. Please review.

Comparison is base (8a3529a) 53.18% compared to head (4a02a48) 53.45%.
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #325      +/-   ##
==========================================
+ Coverage   53.18%   53.45%   +0.26%     
==========================================
  Files         419      431      +12     
  Lines       46302    47265     +963     
==========================================
+ Hits        24627    25266     +639     
- Misses      18891    19137     +246     
- Partials     2784     2862      +78     

Flag	Coverage Δ
unittest	53.45% <62.47%> (+0.26%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
cmd/base/context.go	63.26% <100.00%> (+1.56%)	⬆️
cmd/base/context_fake.go	71.72% <100.00%> (+4.36%)	⬆️
cmd/base/options/generic.go	50.84% <100.00%> (+2.40%)	⬆️
cmd/katalyst-agent/app/agent/eviction.go	0.00% <ø> (ø)
...aware/resource/helper/modelctrl/borwein/borwein.go	75.00% <100.00%> (+1.17%)	⬆️
pkg/agent/sysadvisor/types/helper.go	70.31% <100.00%> (ø)
...metric/collector/prometheus/collector_promethes.go	27.27% <ø> (ø)
pkg/custom-metric/collector/prometheus/scrape.go	73.99% <100.00%> (+1.09%)	⬆️
cmd/katalyst-controller/app/options/controller.go	59.37% <87.50%> (+0.75%)	⬆️
cmd/base/options/auth.go	64.70% <66.66%> (-6.73%)	⬇️
... and 19 more

... and 19 files with indirect coverage changes

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