it is not there. <a href="https:&#x2F;&#x2F;github.com&#x2F;apple" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;apple</a> is accessible . 
i guess OP somehow found this website and put it  into HN. I don&#x27;t even see any press release by Apple related to this thing yet.