Prehistoric update

Mobs it adds:Terror Bird: A large, aggressive, but neutral mob that patrols the badlands. It will attack if provoked or if a player's inventory contains raw meat. It drops bones and feathers, but of a different type that can be used for new crafting recipes. Megalania: A giant monitor lizard that basks in the sun on the badlands' plateaus. It is neutral towards players unless approached while it is eating. Its tough hide can be harvested for a new type of leather. Giant Arthropods: Enormous ancient bugs, such as the Meganeura (dragonfly) and Arthropleura (millipede), would add to the ambiance of the caves and add a small element of danger. Meganeura: Spawns in lush caves and near underground water sources. It is harmless and passive. Arthropleura: Found scurrying through fossil caves. It is neutral and will not attack unless provoked, at which point it can inflict a poison effect. Hostile mobs Fossil Golem: A new type of golem that rarely spawns in the deep layers of badlands. This mob is hostile and composed of bone blocks and deepslate. It is similar to an iron golem but is quicker, deals more damage, and drops a special item related to fossils. Molten Llama: A magma-like llama that spawns near underground lava lakes in fossil caves. It spits molten rock that damages players and causes fires it also adds fossil oreRevived prehistoric creatures Elasmotherium: A giant, prehistoric rhino-like mammal with a large horn you do rest by the way you don't have to have dinosaur