Add Github Repository Release to FreshRSS feed

github_freshrss.js

javascript:(function(){
    var pathArray = location.pathname.split('/');
    if(pathArray.length >= 3 && location.hostname === 'github.com') {
        var owner = pathArray[1];
        var repo = pathArray[2];
        var githubFeedUrl = 'https://github.com/' + owner + '/' + repo + '/releases.atom';
        var freshRssUrl = '{freshrss_url_here}/i/?c=feed&a=add&url_rss=' + encodeURIComponent(githubFeedUrl);
        window.open(freshRssUrl, '_blank').opener = null;
    } else {
        alert('Not a GitHub repository page');
    }
})();