Merge branch 'mdbook' into 'master'

Update improts.yml

See merge request codechina/mirrors-settings!24

projects/chinanf-boy/improts.yml

@@ -7,3 +7,7 @@ group:
     description: '中文翻译: <cargo-book> cargo官书(草稿版) ❤️ 校对 ✅'
     mirrorRelease: false
     topic: 'cargo,rust'
+  - name: mdBook-zh
+    description: '中文翻译:<mdBook> 一个从 Markdown 文件创建现代在线书籍的实用程序 ❤️ 校对 ✅'
+    mirrorRelease: false
+    topic: 'rust,mdbook'
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