Update luther's layout organize a bit revised README.md to rev 2 beta by adding +5V, and both trigger/gate and CV routing adds ideas for a single 2.5 mm² wires, basic insulation, conductor diameter 0.5mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-xV 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3.