Update nav.html

Author: Someshdiwan

site/_includes/nav.html

@@ -1,9 +1,8 @@
-<nav class="sidebar">
-  <h2>📘 Navigation</h2>
+<nav>
   <ul>
-    <li><a href="/JavaEvolution-Learning-Growing-Mastering/site/index.html">Home</a></li>
-    <li><a href="/JavaEvolution-Learning-Growing-Mastering/site/Explaination.html">Explaination</a></li>
-    <li><a href="/JavaEvolution-Learning-Growing-Mastering/site/content.html">All Contents</a></li>
-    <li><a href="https://github.com/Someshdiwan/JavaEvolution-Learning-Growing-Mastering" target="_blank">GitHub Repo</a></li>
+    <li><a href="{{ site.baseurl }}/">Home</a></li>
+    <li><a href="{{ site.baseurl }}/Explaination">Explanation</a></li>
+    <li><a href="{{ site.baseurl }}/content">All Contents</a></li>
+    <li><a href="https://github.com/Someshdiwan/JavaEvolution-Learning-Growing-Mastering">GitHub Repo</a></li>
   </ul>
 </nav>