Add QFN-16-1EP_4x4mm_P0.65mm_EP2.15x2.15mm (generated)

See also:

• kicad-packages3D-generator!167 (merged)

• A screenshot of the model(s) aligned with KiCad footprint(s)
• Source files are contributed on the apropriate location
• Step model submitted in 1:1 scale
• WRL model submitted in 1:2.54 scale
• 3D model alignment checked against KiCad footprint
• WRL model uses correct material properties
• Geometry check performed on the model