Prise3D/p3d_pbrt-v4-scenes: PBRT v4 scenes for SIN3D @ d7f809e557f077cb8a2e2fcb2904ca195c475e19

Matt Pharr 8841c03035 Update book scene, add rendered images, and add it to the README.		4 lat temu
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book.exr	8841c03035 Update book scene, add rendered images, and add it to the README.	4 lat temu
book.png	8841c03035 Update book scene, add rendered images, and add it to the README.	4 lat temu