Add SO-16_3.9x9.9mm_P1.27mm (generated)

This is the model generated from kicad-packages3D-generator!110 (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