GT Lib

Initial port to 1.20.1 Some noteable changes: domain id of material items like ingots, plates, ect. has changed from antimatter_shared to gt also with the domain id change, a bunch of the ids for all material items, pipes, ect. have been changed Pipe models have been improved, cables are now have a radius 1 pixel longer then wires and restrictive item pipes now have a proper uncolored overlay Material textures have been split into into 2 material subdirectories in block and item instead of one material directory