setup auto-install for vpn

[enorms]

x-vpn appears in mas:

imac:~ eric$ mas info 1250312807
X-VPN Unlimited VPN Proxy 12.1 [0.0]
By: Free Connected Limited
Released: Feb 11, 2019
Minimum OS: 9.0
Size: 110.4 MB
From: https://itunes.apple.com/us/app/x-vpn-unlimited-vpn-proxy/id1250312807?mt=8&uo=4

however, install does not work:

imac:~ eric$ mas install 1250312807
No downloads
Error: No downloads began

[enorms]

seems it was removed from App Store as going there directly, cannot press the get button.

instructions for adding a cask:

https://github.com/Homebrew/homebrew-cask/blob/master/CONTRIBUTING.md

and for reference, how expressVPN is setup:

https://github.com/Homebrew/homebrew-cask/blob/master/Casks/expressvpn.rb

also, consider a vpn for which a home-brew setup exists:

==> Formulae
macosvpn                                         openfortivpn                                     openvpn

==> Casks
anonymousvpn                         holavpn                              mullvadvpn                           surfeasy-vpn
avast-secureline-vpn                 ibvpncom                             nordvpn                              tigervpn
avira-vpn                            ipvanish-vpn                         privatevpn                           vpn-enabler
easyvpn                              ivpn                                 protonvpn                            vyprvpn
expressvpn                           kerio-control-vpn-client             purevpn                              watchguard-mobile-vpn-with-ssl
hma-pro-vpn                          macserve-ivpn                        strongvpn-client                     zenmate-vpn

[enorms]

x-vpn dl page