Capacitive height sensor with e3d v6 Hotend Clone anet A8

Adding a capacitive height sensor is so useful when you get bored to setup every time the bed level ;) and honestly, it's so nice to see this cycle before printing, i'm fan!
In addition, this is the good time to add a new hotend with the extruder out of the support, it gives best printing quality and lower collision troubles ;)
Because it was hard me for to find a complete tuto with both hardware and software, i share my full installation, consider this tuto as plug and play if you follow ste