Add Diodes_UDFN3810-9_TYPE_B footprint
Add Diodes_UDFN3810-9_TYPE_B footprint: https://www.diodes.com/assets/Datasheets/D3V3X8U9LP3810.pdf
Review Notes from @ulikoehler :
- This part has unequal spacing between pins, please check carefully
- Courtyard 0.25mm from copper outer edge in all directions
- Original MR had bad dimensions
- Link to the package3d sources pull request
- Link to the package3d pull request
- Link to the symbol pull request
Edited by Uli Köhler