Wireup Syntax Highlighting for Crystal and Julia

[sweezyio]

Add support for syntax highlighting of Crystal Language and Julia Language

1. Open a Crystal (.cr) or a Julia (.jl) file
2. Observe that there is no syntax highlighting on the file.

Wireup CodeMirror to provide syntax highlighting
Add Julia and Crystal to the syntax highlighting docs.
Add configuration for Julia and Crystal to syntax highlighting file.

At the time of submitting this issue, I have created a pull request in desktop/highlighter-tests containing test files for Julia and Crystal.

(If this receives positive feedback I will move forward with the completion of the above objectives.

[shiftkey]

@kennethsweezy sounds good to me

[sweezyio]

Alright I will begin work on this.

…

On Fri, Jan 25, 2019, 7:27 AM Brendan Forster ***@***.*** wrote: @kennethsweezy <https://github.com/KennethSweezy> sounds good to me — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#6710 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/Af1OIKOJMY_E5UbkC-0AgsrIX4l-xd8Eks5vGvgdgaJpZM4aSHxK> .