The package golang-github-sherclockholmes-webpush-go 1.2.0-2 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-sherclockholmes-webpush-go -- More information about golang-github-sherclockholmes-webpush-go: http://pkg.kali.org/pkg/golang-github-sherclockholmes-webpush-go