GSOPS v2.8.0

• Add histogram node and example scene
• Added roughness approximation to gaussian_splats_enhance
• Updated IBL relighting to support ambient occlusion and roughness attributes
• Viewport render modes added including "live compositing", "depth" and "worldPos"
• Exposed max SH order control.
• Exposed max Gaussian Splat count control.
• Added support for compressed .splat and .spz formats (with associated example scene)
• Updated precompiled binaries
• HQ example with new Zoltan asset
• Fixed a bug that could occur while downloading example data
• Fixed a bug that was causing splats and point cloud misalignment when camera film offsets were applied.