RoboCasa Dataset for ManiSkill/SAPIEN

This is the robocasa dataset from RoboCasa, it has been adapted for use with ManiSkill/SAPIEN.

The changes are:

• Re-exported some material.png files to fix colors. Some materials showed up incorrectly as red.
• Add some missing default textures for cabinets/panels

re-exported materials list:

• wall white_bricks material
• outlet materials
• marble_5
• all toaster materials/images
• fridgeaire_gas materials
• 1_bin_storage_right_dark materials
• stool_1_3