added Footprint U-DFN2018-6
Created by: hamtam1
https://www.diodes.com/assets/Package-Files/U-DFN2018-6.pdf
Signed-off-by: Martin Thomas mtgithub@hamtam.de
Edited by Joel Guittet
Created by: hamtam1
https://www.diodes.com/assets/Package-Files/U-DFN2018-6.pdf
Signed-off-by: Martin Thomas mtgithub@hamtam.de