update "GitHub Contributions Archive" link and name

see tenex/opensourcecontributors@2652235 and tenex/opensourcecontributors#89

index.html

@@ -181,7 +181,7 @@ <h2 id="resources"><a href="#resources">Research, visualizations, talks...</a></
             <li><a href="https://github.com/harishvc/githubanalytics">GitHub Analytics</a> - search latest GitHub timeline</li>
             <li><a href="https://github.com/neonichu/githop">GitHop</a> - see your contributions from a year ago.</li>
             <li><a href="http://gitmostwanted.com/">GitMostWanted</a> - Advanced explorer of github.com.</li>
-            <li><a href="http://githubcontributions.io/">GitHub Contributions Archive</a> - Search engine for contributions to GitHub</li>
+            <li><a href="https://github.com/tenex/opensourcecontributors">OpenSourceContributo.rs</a> - Search engine for contributions to GitHub</li>
             <li><a href="https://www.gitlive.net/">GitLive</a> - View what's happening on GitHub at real time - Made at Dragon Hacks 2016 Hackathon</li>
             <li><a href="http://archive-observer.herokuapp.com/">ArchiveObserver</a> - Build users open source report cards, refreshed hourly!</li>
             <li><a href="https://public.tableau.com/profile/alysonla#!/vizhome/OpenSourceMonthlyNovember2015/OrgDashboard">Open Source Monthly</a> - An activity dashboard for Open Source Organizations.</li>