feat: support build tag to reduce binary size w/o k8s

[kevwan]

fix #4322

• write document on how to use

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.10%. Comparing base (8690859) to head (281f8c1).
Report is 123 commits behind head on master.

Additional details and impacted files

Files	Coverage Δ
zrpc/resolver/internal/kubebuilder.go	16.07% <ø> (-4.69%)	⬇️
zrpc/resolver/internal/register_k8s.go	100.00% <100.00%> (ø)
zrpc/resolver/internal/resolver.go	100.00% <100.00%> (ø)

... and 254 files with indirect coverage changes