FEAT | DMX recording

Record DMX show to a file

Might be nice to automatically drop unchanged frames. Oh and compression i probably wise


## Header

 - starttime
 - framerate
 - universes
 - claimedBy
 - recordedBy
 - fixtureDesc
 - compression - **String**

## FrameData
 - timestamp - Number
 - frame - Number
 - universes - Number[]
 - data - Buffer