end keyword matching for Ruby, Lua, Julia, Elixir, Crystal and others

<!-- Do you have a question? Please ask it on https://stackoverflow.com/questions/tagged/vscode. --> <!-- Use Help > Report Issue to prefill these. --> - VSCode Version: 1.22.0 - OS Version: Manjaro Linux 17.1.8 Steps to Reproduce: 1. Open a Ruby `.rb` file 2. Try to match `end` keywords <!-- Launch with `code --disable-extensions` to check. --> Does this issue occur when all extensions are disabled?: Yes Hi community! I'm happy user of Vim and VSCode :smile: On Vim I can match Ruby, Lua, Julia, Elixir, Crystal `end` keywords using matchit. By example, the following code is for Crystal on Vim:  Would be nice to have something similar on VSCode.