Merge pull request #2 from sharjilk/support-darwin/arm64

platform darwin/arm64 added

Rename kubeconf to config-registry

Ref kubernetes-sigs/krew-index#857 (review)

Rename the kubectl plugin to conf-registry instead of conf

Fix kubectl plugin windows installation

Show correct command name in help when run as kubectl plugin

Fix goreleaser arch replacements config

Fix goreleaser config

Clarify `kubeconf locate` use-case

Add acknowledgement to README