feat: 日夜切换

.vitepress/config.js

@@ -1,5 +1,5 @@
 // import { defineConfig } from 'vitepress'
-import { withMermaid } from "vitepress-plugin-mermaid";
+import { withMermaid } from "vitepress-plugin-mermaid-xyxsw";
 import mathjax3 from 'markdown-it-mathjax3';
 import { main_sidebar, chapter2, chapter3, chapter4, chapter5, chapter6, chapter7, chapter8, chapter9 } from './sidebar.js';
 import { nav } from './nav.js';