* k8s: add service object apis

* add unit test

* fix-lint

* change type to enum

* Update api/k8s/v1/k8s.proto
Co-authored-by: Daniel Hochman <danielhochman@users.noreply.github.com>

* address feedback

* add unit test for protoForServiceType
Co-authored-by: Daniel Hochman <danielhochman@users.noreply.github.com>