Added LFCSP-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm 3D model

This MR adds the missing 3D model for the LFCSP-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm footprint.

Datasheet: https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp-16/CP_16_27.pdf

Generator MR: kicad-packages3D-generator!195 (merged)

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• A screenshot of the model(s) aligned with KiCad footprint(s)
• Source files are contributed on the apropriate location
  • Link to the package3d-source pull request or to the script pull request
• 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