Update post.html

Author: aott33

_layouts/post.html

@@ -34,3 +34,10 @@ <h1>Comments</h1>
 </article>
 
 <script type="text/javascript" src="/js/copyCode.js"></script>
+<script type="module">
+      Array.from(document.getElementsByClassName("language-mermaid")).forEach(element => {
+        element.classList.add("mermaid");
+      });
+      import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.esm.min.mjs';
+      mermaid.initialize({ startOnLoad: true, theme: "dark" });
+</script>