Add menu item for RTTC

app/templates/base.html

@@ -41,6 +41,9 @@
           <ul class="nav navbar-nav">
             <li class="active"><a href="ahrs.html">AHRS</a></li>
           </ul>
+          <ul class="nav navbar-nav">
+            <li class="active"><a href="rttc.html">RTTC</a></li>
+          </ul>
           <ul class="nav navbar-nav">
             <li class="active"><a href="k40.html">K40</a></li>
           </ul>