Add TQFN-20-1EP_4x4mm_P0.5mm_EP2.7x2.7mm (generated)

Datasheet:

https://pdfserv.maximintegrated.com/package_dwgs/21-0139.PDF

Package T2044-5C

Related MRs:

kicad-packages3D-generator!88 (merged)
kicad-footprints!3065 (merged)