SPBR

Added PBR and normal maps for the Copper Golem and Copper Golem Statue
Added PBR and normal maps for the exposed, weathered, and oxidized lightning rods
Added PBR and normal maps for the Copper Horse Armor
Added PBR and normal maps for the Copper Armor
Added PBR and normal maps for the Copper Golem Spawn Egg
Added PBR and normal maps for the Copper Tools
Added PBR and normal maps for the Copper Nugget
Added PBR and normal maps for the Copper Chest
Added PBR and normal maps for the Shelf
Redesigned the bottom texture of the Large Copper Chest to fix the asymmetry issue present in the vanilla texture For better shader compatibility and standardization, checked the normal maps of all 15000+ textures, and reworked the normal textures with normal angles greater than or exceeding the 60° threshold and irregularities, and adjusted the parallax and PBR of some blocks
Added emissive PBR and normals to Nether Star
Reworked brightness of different grades of redstone dust