Added support for lightbox

themes/lean/layouts/shortcodes/lightbox.html

@@ -0,0 +1,23 @@
+<!-- lighbox -->
+{{ $group := .Get "group" }}
+{{ $images := .Get "images" }}
+{{ $width := .Get "width" }}
+
+{{ with index .screenshots}}
+    {{ range sort . "title" }}
+    {{ if (fileExists (printf "assets/%s" .image)) -}}
+    <div class="responsive">
+        <div class="gallery">
+        {{ $mainimage := resources.Get .image }}
+        <a data-fslightbox="{{ $group }}" href="{{ $mainimage.RelPermalink }}">
+        {{ $mainimage := $mainimage.Resize $width }}
+          <img class="{{ $group }}" src="{{ $mainimage.RelPermalink }}"
+            width="{{ $mainimage.Width }}" height="{{ $mainimage.Height }}">
+            <div class="desc">{{ .title }}</div>
+        </a>
+        </div>
+        </div>
+    {{ end }}
+    {{ end }}
+{{ end }}
+<div class="clearfix" style="margin-bottom: 20px;"></div>