docs: 添加更新日志链接并优化CHANGELOG格式

在文档配置中添加了更新日志的导航链接，并优化了CHANGELOG.md的格式，使其更易读

docs/.vitepress/config.mts

@@ -113,6 +113,10 @@ export default defineConfig({
         text: '🥤 打赏',
         link: '/advanced/rewards/rewards',
       },
+      {
+        text: '更新日志',
+        link: '/CHANGELOG',
+      },
       {
         text: '相关链接',
         link: '/other/links/links',
@@ -150,6 +154,10 @@ export default defineConfig({
           { text: '最佳实践', link: '20-best' },
         ],
       },
+      {
+        text: '更新日志',
+        link: '/CHANGELOG',
+      },
       {
         text: '社交',
         base: '/advanced/',