Add cobalt

Cobalt can be as a magnet like real life and theres a copper wrench that can be crafted with 5 copper in any orientation like the netherite ingot and it power of magnetic field can be weakened or strengthened for the magnet and there is a cobalt chest plate that can pick up items from farther away like to not make it to op 4 blocks extra and a cobalt hopper that can take item's though full blocks and like the maget the pull can be altered