Added Package_DFN_QFN.3dshapes/Texas_RGY_R-PVQFN-N20_EP2.05x3.05mm

Added Package_DFN_QFN.3dshapes/Texas_RGY_R-PVQFN-N20_EP2.05x3.05mm

Footprint MR: kicad-footprints!3140 (merged)
Scripts PR: kicad-packages3D-generator!92 (merged)

Screenshot:

• 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