display package version in off-canvas header

app/views/components/off-canvas.pug

@@ -8,8 +8,11 @@ mixin renderMenuItem (iconClass, label)
 #dtp-offcanvas(uk-offcanvas="mode: slide; overlay: true; bg-close: true;")
   .uk-offcanvas-bar
     .uk-margin
-      a(href="/").uk-display-block
-        .uk-text-large= site.name
+      div(uk-grid).uk-grid-small.uk-flex-middle
+        .uk-width-expand
+          a(href="/").uk-display-block
+            .uk-text-large= site.name
+        .uk-width-auto.uk-text-small.uk-text-muted v#{pkg.version}
       .uk-text-small.uk-text-muted= site.description
 
     ul.uk-nav.uk-nav-default.dtp-app-menu