feat: 增加mermaid

docs/index.html

@@ -118,8 +118,8 @@
   <!-- <script src="//unpkg.com/prismjs@1/components/prism-bash.min.js"></script> -->
   <!-- <script src="//unpkg.com/prismjs@1/components/prism-php.min.js"></script> -->
 
-  <!-- <link rel="stylesheet" href="//unpkg.com/mermaid/dist/mermaid.min.css"> -->
-  <!-- <script src="//unpkg.com/mermaid/dist/mermaid.min.js"></script> -->
+  <link rel="stylesheet" href="//unpkg.com/mermaid/dist/mermaid.min.css">
+  <script src="//unpkg.com/mermaid/dist/mermaid.min.js"></script>
   <!-- 公式 -->
   <!-- CDN files for docsify-katex -->
   <script src="./static/js/katex.min.js"></script>
@@ -128,7 +128,7 @@
   <!-- <script src="https://cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.js"></script> -->
   <!-- <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.css" /> -->
   <!-- <script src="https://cdn.jsdelivr.net/npm/marked@3"></script> -->
-
+  
   <!-- CDN files for docsify-katex -->
   <script src="./static/js/docsify-katex.js"></script>
   <!-- <script src="//cdn.jsdelivr.net/npm/docsify-katex@latest/dist/docsify-katex.js"></script> -->