feat: mermaid

src/markdown/index.ts

@@ -2,10 +2,12 @@ import { Marked } from 'marked';
 import {createDirectives, presetDirectiveConfigs} from 'marked-directive';
 import yaml from 'js-yaml';
 import markedAlert from "marked-alert";
+import markedMermaid from "./mermaid";
 
 // 使用 marked-directive 来支持指令语法
 const marked = new Marked()
     .use(markedAlert())
+    .use(markedMermaid())
     .use(createDirectives([
     ...presetDirectiveConfigs,
     {