Add sources link

hero.html

@@ -21,6 +21,7 @@
                     <a class="brand" href="#">Clear unknown BIOS passwords</a>
                     <ul class="nav">
                         <li class="active"><a href="#">Home</a></li>
+                        <li><a href="https://github.com/bacher09/pwgen-for-bios">Sources</a></li>
                     </ul>
                 </div>
             </div>