docs: add zh-tw folder (#195)

Signed-off-by: appleboy <appleboy.tw@gmail.com>
Reviewed-on: https://gitea.com/gitea/docs/pulls/195
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: appleboy <appleboy.tw@gmail.com>
Co-committed-by: appleboy <appleboy.tw@gmail.com>

i18n/zh-cn/docusaurus-plugin-content-docs/version-1.20/administration/search-engines-indexation.md

@@ -6,7 +6,6 @@ sidebar_position: 60
 
 aliases:
   - /zh-cn/search-engines-indexation
-
 ---
 
 # 搜索引擎索引
@@ -25,7 +24,7 @@ User-agent: *
 Disallow: /
 ```
 
-如果您将Gitea安装在子目录中，则需要在顶级目录中创建或编辑 `robots.txt`。
+如果您将 Gitea 安装在子目录中，则需要在顶级目录中创建或编辑 `robots.txt`。
 
 ```txt
 User-agent: *