Initial checkin

layouts/shortcodes/mermaid.html

@@ -0,0 +1,8 @@
+{{ if .Page.Params.mermaid -}}
+  <div class="mermaid{{ with .Get "class" }} {{ . }}{{ end }}">
+    {{ $data := replaceRE "(^\\s+```)" "" .Inner -}}
+    {{ replaceRE "(```\\s+$)" "" $data -}}
+  </div>
+{{ else -}}
+  {{ errorf "Failed to process mermaid shortcode: %s. Set mermaid to true in page front matter." .Position }}
+{{ end -}}