Merge pull request #2915 from ccmywish/master

Add installation method: rbenv for Windows

Author: hsbt

en/documentation/installation/index.md

@@ -336,6 +336,16 @@ plugin can. Both tools are available for macOS, Linux, or other
 UNIX-like operating systems.
 
 
+### rbenv for Windows
+{: #rbenv-for-windows}
+
+[rbenv for Windows][rbenv-for-windows] allows you to install and
+manage multiple installations of Ruby on Windows. It's written in
+PowerShell thus providing a native way to use Ruby for Windows users.
+Besides, the command line interface is compatible with [rbenv][rbenv]
+on UNIX-like systems.
+
+
 ### RVM ("Ruby Version Manager")
 {: #rvm}
 
@@ -375,6 +385,7 @@ though, because the installed Ruby won't be managed by any tools.
 
 [rvm]: http://rvm.io/
 [rbenv]: https://github.com/rbenv/rbenv#readme
+[rbenv-for-windows]: https://github.com/ccmywish/rbenv-for-windows#readme
 [ruby-build]: https://github.com/rbenv/ruby-build#readme
 [ruby-install]: https://github.com/postmodern/ruby-install#readme
 [chruby]: https://github.com/postmodern/chruby#readme

zh_cn/documentation/installation/index.md

@@ -178,6 +178,12 @@ $ pkg install runtime/ruby
 [rbenv][rbenv] 用于管理系统中安装的多个 Ruby 版本。它不能直接安装 Ruby，但有个流行的插件叫 [ruby-build](#ruby-build) 能够安装 Ruby。这两个工具都支持 macOS、Linux 和其它类 UNIX 操作系统。
 
 
+### rbenv for Windows
+{: #rbenv-for-windows}
+
+[rbenv for Windows][rbenv-for-windows] 用于在Windows上下载安装并管理系统中的多个 Ruby 版本。它使用PowerShell编写，由此为Windows用户提供了一个使用Ruby的原生方法。除此之外，它的命令行接口与类 UNIX 系统上的 [rbenv][rbenv] 兼容。
+
+
 ### RVM（“Ruby Version Manager”）
 {: #rvm}
 
@@ -208,6 +214,7 @@ $ sudo make install
 
 [rvm]: http://rvm.io/
 [rbenv]: https://github.com/rbenv/rbenv#readme
+[rbenv-for-windows]: https://github.com/ccmywish/rbenv-for-windows#readme
 [ruby-build]: https://github.com/rbenv/ruby-build#readme
 [ruby-install]: https://github.com/postmodern/ruby-install#readme
 [chruby]: https://github.com/postmodern/chruby#readme