Merge pull request #16 from oscrx/master

add MacOs ARM build step

Author: emirozer

Makefile

@@ -43,6 +43,7 @@ release:
 	env GOOS=linux GOARCH=amd64 go build -o kubectl-doctor cmd/kubectl-doctor.go ; mv kubectl-doctor dist/kubectl-doctor_linux_amd64
 	env GOOS=linux GOARCH=arm go build -o kubectl-doctor cmd/kubectl-doctor.go ; mv kubectl-doctor dist/kubectl-doctor_linux_arm
 	env GOOS=darwin GOARCH=amd64 go build -o kubectl-doctor cmd/kubectl-doctor.go ; mv kubectl-doctor dist/kubectl-doctor_darwin_amd64
+	env GOOS=darwin GOARCH=arm64 go build -o kubectl-doctor cmd/kubectl-doctor.go ; mv kubectl-doctor dist/kubectl-doctor_darwin_arm64
 	env GOOS=windows GOARCH=amd64 go build -o kubectl-doctor cmd/kubectl-doctor.go ; mv kubectl-doctor dist/kubectl-doctor_windows_amd64.exe
 	env GOOS=freebsd GOARCH=amd64 go build -o kubectl-doctor cmd/kubectl-doctor.go ; mv kubectl-doctor dist/kubectl-doctor_freebsd_amd64