Add SuperStack links

Author: bcb

index.html

@@ -118,7 +118,10 @@ <h1>Projects</h1>
           <section class="project">
             <img src="/assets/superstack.png" alt="SuperStack logo" />
             <h2>SuperStack</h2>
-            <h3>Lightweight and extensible application backend – coming soon!</h3>
+            <div class="links">
+              <a class="docs-link" href="/superstack/">Docs</a> | <a href="https://github.com/explodinglabs/superstack">GitHub</a>
+            </div>
+            <h3>Lightweight and extensible application backend</h3>
           </section>
 
           <!-- iko -->