Create LICENSE

[lathropd]

Adding an MIT license with Matt as the copyright holder.

Description

Having this is a best practice

Checklist

• [x] Code compiles correctly
• [x] Created tests which fail without the change (if possible)
• [x] All tests passing
• [x] Extended the README / documentation, if necessary
• [ ] Added myself / the copyright holder to the AUTHORS file

[lathropd]

Anyone have any objections? Otherwise I’ll commit in a day or two.

[lathropd]

Alternately, do we do X-Ray authors and add an authors/contributors file?