Add Template layouts, load session hashkey

templates/layouts/base.html

@@ -5,7 +5,12 @@
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
     </head>
     <body>
-        {{ block "main" . }}
+        <nav>
+            {{ with .User }}
+                {{ .Email }}
+            {{ end }}
+        </nav>
+        {{ block "main" .Data }}
 
         {{ end }}
     </body>