feat: 新增 yu 主题 (#160)

Co-authored-by: jianghurong <[email protected]>

Author: jianghurong

README.md

@@ -57,6 +57,7 @@ highlight: juejin # 代码高亮主题，默认值：theme 中指定，没有则
 | [z-blue](https://github.com/sheng1998/juejin-markdown-theme-z-blue) | [z_](https://juejin.cn/user/4212984289441422) | MIT |
 | [minimalism](https://github.com/justnewbee/juejin-markdown-theme-minimalism) | [驳是](https://juejin.cn/user/442445375748621) | MIT |
 | [koi](https://github.com/Henrycheheng/juejin-markdown-theme-koi) | [koi](https://juejin.cn/user/1284683727647950) | MIT |
+| [yu](https://github.com/jianghurong/juejin-markdown-theme-yu) | [荣易](https://juejin.cn/user/2400989124501549) | MIT |
 
 ### 代码高亮
 

themes.js

@@ -195,6 +195,13 @@ const themes = {
     ref: 'a940ce',
     highlight: 'base16/tomorrow-night',
   },
+  'yu': {
+    owner: 'jianghurong',
+    repo: 'juejin-markdown-theme-yu',
+    path: 'yu.scss',
+    ref: '1e3096f',
+    highlight: 'atom-one-dark',
+  },
 };
 
 export default themes;