Update README

Author: rossta

README.md

@@ -24,9 +24,10 @@ Building a Rails application to help people learn more about building Rails appl
 
   Use a Ruby version manager to install and manage Ruby versions, such as
 
+  - [chruby](https://github.com/postmodern/chruby)
   - [asdf](https://asdf-vm.com/)
   - [rvm](https://rvm.io/)
-  - [chruby](https://github.com/postmodern/chruby)
+  - [rbenv](https://github.com/rbenv/rbenv)
 
   To use YJIT, Rust must first be installed and be found on `PATH`: