added support for charts

layouts/_default/_markup/render-codeblock-mermaid.html

@@ -0,0 +1,4 @@
+<div class="mermaid">
+    {{- .Inner | safeHTML }}
+</div>
+{{ .Page.Store.Set "hasMermaid" true }}

layouts/_default/baseof.html

@@ -19,5 +19,20 @@
     </main>
     {{ partialCached "footer.html" . .Layout .Kind (.Param "hideFooter") (.Param "ShowCodeCopyButtons") -}}
 </body>
+{{ if .Page.Store.Get "hasMermaid" }}
+  <script src="https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js"></script>
+  <script>
+    mermaid.initialize({ startOnLoad: true });
+  </script>
+{{ end }}
+{{/*  {{ if .Page.Store.Get "hasChart" }}
+<script
+    src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.9.1/chart.min.js"
+    integrity="sha512-ElRFoEQdI5Ht6kZvyzXhYG9NqjtkmlkfYk0wr6wHxU9JEHakS7UJZNeml5ALk+8IKlU6jDgMabC3vkumRokgJA=="
+    crossorigin="anonymous"
+    referrerpolicy="no-referrer"
+></script>
+{{ end }}  */}}
+
 
 </html>