[Bug-gnuzilla] MacOS Builds available

[The Canadian Bacon]

Hey everyone since I've taken up doing the windows builds, I've also noticed the lack of MacOS builds.

Now this build was done without testing since I've been ssh into a remote machine to do the build. I'm fairly certain it'll work on systems as early as 10.7

https://casualgamer.ca/index.php/icecat-for-macos/ I'll update it as often as I can