chore: update docs client config

docs/.vuepress/client.ts

@@ -1,10 +1,65 @@
 import type { ClientConfig } from 'vuepress/client'
 import { h } from 'vue'
+import { defineMermaidConfig } from 'vuepress-plugin-md-enhance/client'
 import { Layout } from 'vuepress-theme-plume/client'
 import { defineClientConfig } from 'vuepress/client'
 import AsideNav from '~/components/AsideNav.vue'
 import { setupThemeColors } from '~/composables/theme-colors.js'
 
+defineMermaidConfig({
+  theme: 'default',
+  themeVariables: isDarkMode => ({
+    dark: isDarkMode,
+    background: isDarkMode ? '#1e1e1e' : '#fff',
+
+    primaryColor: isDarkMode ? '#c8abfa' : '#6f42c1',
+    primaryBorderColor: isDarkMode ? '#669' : '#99c',
+    primaryTextColor: isDarkMode ? '#c8abfa' : '#6f42c1',
+
+    secondaryColor: '#ffb500',
+    secondaryBorderColor: isDarkMode ? '#fff' : '#000',
+    secondaryTextColor: isDarkMode ? '#ddd' : '#333',
+
+    tertiaryColor: isDarkMode ? '#282828' : '#efeef4',
+    tertiaryBorderColor: isDarkMode ? '#bbb' : '#242424',
+    tertiaryTextColor: isDarkMode ? '#ddd' : '#333',
+
+    // Note
+    noteBkgColor: isDarkMode ? '#c96' : '#fff5ad',
+    noteTextColor: '#242424',
+    noteBorderColor: isDarkMode ? '#c86' : '#333',
+
+    lineColor: isDarkMode ? '#d3d3d3' : '#333',
+    textColor: isDarkMode ? '#d3d3d3' : '#242424',
+
+    mainBkg: isDarkMode ? 'rgb(159 122 234 / 0.16)' : 'rgb(159 122 234 / 0.14)',
+    errorBkgColor: '#eb4d5d',
+    errorTextColor: '#fff',
+
+    // Flowchart
+    nodeBorder: isDarkMode ? '#669' : '#99c',
+    nodeTextColor: isDarkMode ? '#c8abfa' : '#6f42c1',
+    edgeLabelBackground: isDarkMode ? '#333' : '#ddd',
+
+    // Sequence
+    signalTextColor: isDarkMode ? '#9e9e9e' : '#242424',
+
+    // Class
+    classText: '#fff',
+
+    // State
+    labelColor: '#fff',
+
+    attributeBackgroundColorEven: isDarkMode ? '#0d1117' : '#fff',
+    attributeBackgroundColorOdd: isDarkMode ? '#161b22' : '#f8f8f8',
+
+  }),
+  class: {
+    hideEmptyMembersBox: true,
+  },
+  look: 'handDrawn',
+})
+
 export default defineClientConfig({
   setup() {
     setupThemeColors()