feat: ru docs

Author: antfu

.vitepress/config.js

@@ -78,6 +78,10 @@ const Translations = [
     text: 'Español',
     link: 'https://es.sli.dev{{pathname}}',
   },
+  {
+    text: 'Русский',
+    link: 'https://ru.sli.dev{{pathname}}',
+  },
 ]
 
 const Customizations = [

README.md

@@ -10,3 +10,4 @@ Documentation for [Slidev](https://github.com/slidevjs/slidev)
 | 简体中文 | [docs-cn](https://github.com/slidevjs/docs-cn) | [cn.sli.dev](https://cn.sli.dev) | [@QC-L](https://github.com/QC-L) [@Ivocin](https://github.com/Ivocin) |
 | Français | [docs-fr](https://github.com/slidevjs/docs-fr) | [fr.sli.dev](https://fr.sli.dev) | [@ArthurDanjou](https://github.com/ArthurDanjou) |
 | Español | [docs-es](https://github.com/slidevjs/docs-es) | [es.sli.dev](https://es.sli.dev) | [@owlnai](https://github.com/owlnai) |
+| Русский | [docs-ru](https://github.com/slidevjs/docs-ru) | [ru.sli.dev](https://ru.sli.dev) | [@xesjkeee](https://github.com/xesjkeee) |