Add TDFN-12-1EP_3x3mm_P0.4mm_EP1.7x2.45mm

Rework of kicad-footprint-generator!785 (closed)

Datasheet: https://www.renesas.com/us/en/document/psc/package-drawing-tdfn-12pin-l123x3c

Footprint Generator MR: kicad-footprint-generator!851 (merged)