Add photoswipe

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

layouts/partials/head/photoswipe.html

@@ -0,0 +1,17 @@
+{{ with resources.Get "css/photoswipe/photoswipe.css" | minify | fingerprint }}
+  <link
+    rel="stylesheet"
+    href="{{- .RelPermalink -}}"
+    integrity="{{- .Data.Integrity -}}"
+  />
+{{ end }}
+
+{{ $opts := dict "minify" true }}
+{{ with resources.Get "js/photoswipe.js" | js.Build $opts | minify | fingerprint }}
+  <script
+    src="{{ .RelPermalink }}"
+    integrity="{{ .Data.Integrity }}"
+    crossorigin="anonymous"
+    async
+  ></script>
+{{ end }}