Link to the full list of versions on Windows

Author: eregon

README.md

@@ -15,9 +15,6 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 | JRuby | 9.2.9.0 |
 | TruffleRuby  | 19.3.0, 19.3.1 |
 
-See [versions.json](https://github.com/eregon/ruby-install-builder/blob/metadata/versions.json)
-for the always up-to-date list of available Ruby versions.
-
 Note that Ruby 2.3 and the OpenSSL version it needs (1.0.2) are both end-of-life,
 which means Ruby 2.3 is unmaintained and considered insecure.
 On Windows, Ruby 2.4 uses OpenSSL 1.0.2, which is no longer maintained.
@@ -35,7 +32,9 @@ The action works for all [GitHub-hosted runners](https://help.github.com/en/acti
 Ruby 2.3, JRuby and TruffleRuby are not yet supported on `windows-latest`.
 
 The prebuilt rubies are generated by [eregon/ruby-install-builder](https://github.com/eregon/ruby-install-builder)
-and on Windows by [RubyInstaller2](https://github.com/oneclick/rubyinstaller2).
+and on Windows by [RubyInstaller2](https://github.com/oneclick/rubyinstaller2).  
+The full list of available Ruby versions can be seen at [versions.json](https://github.com/eregon/ruby-install-builder/blob/metadata/versions.json)
+for Ubuntu and macOS and at [ruby-installer-versions.js](https://github.com/eregon/use-ruby-action/blob/master/ruby-installer-versions.js) for Windows.
 
 ## Usage