Prise3D/p3d_pbrt-scenes-stereo: All pbrt scenes with stereo .pbrt scene file

Jérôme BUISINE b35fdcef5d project initialization with first stereo scene		4 lat temu
..
Ag.eta.spd	b35fdcef5d project initialization with first stereo scene	4 lat temu
Ag.k.spd	b35fdcef5d project initialization with first stereo scene	4 lat temu