Added generated 3DModels for HF115F-2Z-x4 relay

• 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

This adds the 3dmodel generated with kicad-3d-generator, as discussed in kicad-footprints!3634 (merged)