Add masonry

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

layouts/partials/gallery/list.html

@@ -0,0 +1,25 @@
+<div class="gallery masonry lightbox">
+  <div class="grid-sizer"></div>
+  {{ range sort .Pages "Date" "desc" }}
+    {{ if not .Params.private }}
+      {{ $imageData := partial "image/reflect.html" .Params.hero }}
+      {{ with $imageData.image }}
+        <div class="image grid-item">
+          <a
+            href="{{- .RelPermalink -}}"
+            data-pswp-width="{{- .Width -}}"
+            data-pswp-height="{{- .Height -}}"
+          >
+            <img
+              src="{{- .RelPermalink -}}"
+              width="{{- .Width -}}"
+              height="{{- .Height -}}"
+              {{ with $imageData.title }}title="{{- . -}}"{{ end }}
+              {{ with $imageData.alt }}alt="{{- . -}}"{{ end }}
+            />
+          </a>
+        </div>
+      {{ end }}
+    {{ end }}
+  {{ end }}
+</div>