Add notification count

src/views/layout.ecr

@@ -29,8 +29,9 @@
         <div class="pure-g">
           <div class="pure-u-1 pure-u-md-1-3">
             <a href="/feed/subscriptions" class="pure-menu-heading">
-              <% if env.get("notifications").as(Int32) > 0 %>
+              <% notifications = env.get("notifications").as(Int32) %>
-              <center><i class="fas fa-bell"></i></center>
+              <% if notifications > 0 %>
+              <center><%= notifications %> <i class="fas fa-bell"></i></center>
               <% else %>
               <center><i class="far fa-bell"></i></center>
               <% end %>