New VirEnce MCPCB for E17/E21/119/144/233U

[clemence]

UPDATE 180706:

New variants, VR21SP4 (quadtrix E21A) and VR21P4 (quad Optisolis/757). Same board material and technology as previous one.

News here: [GB ended,discussion only] CRI > 80+ NICHIA 2000K-6500K [E21A/219B/219C/319A/144A/757GT-F1(Optisolis)] - #1419 by clemence

- Clemence