- Updated the title in index.html from "Textures" to "Materials".
- Enhanced script.js by adding GUI controls for material properties and loading various textures.
- Removed unused textures: checkerboard-1024x1024.png, checkerboard-8x8.png, and minecraft.png.
- Added new textures: environmentMap/2k.hdr, gradients/3.jpg, gradients/5.jpg, and multiple matcap textures (1.png to 8.png).
- Implemented a MeshPhysicalMaterial with adjustable properties for metalness, roughness, transmission, and thickness.
- Updated object rotations for better visual effects in the scene.
sayudhalw