mozillavpn: add page (#7394)

pages/common/mozillavpn.md

@@ -0,0 +1,36 @@
+# mozillavpn
+
+> A Virtual Private Network from the makers of Firefox.
+> More information: <https://github.com/mozilla-mobile/mozilla-vpn-client/wiki/Command-line-interface>.
+
+- Log in with an interactive prompt:
+
+`mozillavpn login`
+
+- Connect to Mozilla VPN:
+
+`mozillavpn activate`
+
+- Display the connection status:
+
+`mozillavpn status`
+
+- List available servers:
+
+`mozillavpn servers`
+
+- Select a specific server:
+
+`mozillavpn select {{server_name}}`
+
+- Disconnect from Mozilla VPN:
+
+`mozillavpn deactivate`
+
+- Log out:
+
+`mozillavpn logout`
+
+- Display help for a subcommand:
+
+`mozillavpn {{subcommand}} --help`