add stocko MKS_16xx connectors
Created by: balcer
Hi, this is may first pull request to kicad repositorium.
Name: Stocko MKS 16xx
Datasheet: https://www.stocko-contact.com/downloads/steckverbindersystem-raster-2,5-mm.pdf
Script for generating: https://github.com/pointhi/kicad-footprint-generator/pull/169
Edited by Joel Guittet