Add Würth WR-WST direct-to-board connector footprints
This MR adds a footprint generator for Würth's WR-WST series of direct-to-boards connectors.
Screenshot of one of these footprints:
Connector brochures: https://www.we-online.com/components/media/o210254v410%20ANE011b_EN.pdf and https://www.we-online.com/components/media/o106230v446%20REDFIT%20Campaign%20Flyer%20%28rev1%29.pdf
Connector dimensions: https://www.we-online.com/components/products/datasheet/490107670612.pdf