Added Side panel component

Change-Id: I6c10fc025c904262872b984a137c3252fd435374
diff --git a/src/app/main.html b/src/app/main.html
index c230347..b278921 100644
--- a/src/app/main.html
+++ b/src/app/main.html
@@ -13,6 +13,7 @@
 <div class="wrapper">
 
   <xos-header></xos-header>
+  <xos-side-panel></xos-side-panel>
 
   <xos-nav></xos-nav>