update index.html

Former-commit-id: f14100c0eb
Former-commit-id: 3dde437262320cf812b0ea807bd6f026aeba7866

index.html

@@ -17,6 +17,11 @@
       <div id="shownav">
         <div id="hidenav">
           <ul>
+            <li>
+              <a href="..">
+                Up one level ^
+              </a>
+            </li>
             <li>
               <a href="index.html">
                 index
@@ -252,6 +257,15 @@ if (i2pIsRunning()) {
     <p>
       to add a browser management tool to it.
     </p>
+    <div id="sourcecode">
+      <ul>
+        <li>
+          <a href="https://github.com/eyedeekay/i2p.plugins.firefox">
+            Source Code: (https://github.com/eyedeekay/i2p.plugins.firefox)
+          </a>
+        </li>
+      </ul>
+    </div>
     <div>
       <a href="#show">
         Show license

style.css

@@ -153,5 +153,5 @@ input {
 
 #navbar {
 	float: right;
-	width: 10%;
+	width: 15%;
 }