Make .md files searchable with spotlight

[tarwich]

@duozmo had a good point. We need to ensure that we're updating the spotlight index.

RE: #52 (comment)

[soomtong]

sounds nice! 👍

[MaddTheSane]

I've created a rough version over on my own repo: https://github.com/MaddTheSane/qlmarkdown/tree/spotlightPlug

[soomtong]

@MaddTheSane really cool!
can u make a binary (release tab) of this branch in your repo? yea, want to use. thanks!

[Fil]

Just to say that your work is very much appreciated. I haven't yet been able to use @MaddTheSane 's version 😿
So I went with http://hiltmon.com/blog/2015/06/27/a-simple-markdown-spotlight-importer/ — which is quite painful to do on El Capitan

[meneguzzi]

I second this to be incorporated into this software, especially because this is what's in the Homebrew cask.