GitHub Atom: How to apply a particular syntax highlighting to some files based on name

Question

How can I configure GitHub\'s Atom to make it automatically set a particular syntax highlighting to filenames based on name and/or extensions?

Specific

Answer 1

As of this writing, there is no way to do this short of submitting a PR to the language-ruby package or creating your own fork of the language-ruby package.

There is a bug tracking this issue here: https://github.com/atom/atom/issues/1718