added animal assets and tweaked AI

Assets/Blender/animal.blend

Assets/Blender/animal.blend.meta

Assets/Blender/animal.blend1

Assets/Blender/animal.blend1.meta

Assets/Blender/animal.fbx

Assets/Blender/animal.fbx.meta

Assets/Blender/animalAnimatorControler.controller

Assets/Blender/animalAnimatorControler.controller.meta

Assets/Blender/rock1.fbx

Assets/Blender/rock2.fbx

Assets/Blender/rock3.fbx

Assets/Blender/rocks.blend

Assets/Blender/rocks.blend1

Assets/Blender/rocks.blend1.meta

Assets/Prefabs/animalSpawner Variant.prefab

Assets/Prefabs/animalSpawner Variant.prefab.meta

Assets/Prefabs/rock1 Variant.prefab

Assets/Prefabs/rock1 Variant.prefab.meta

Assets/Prefabs/rock2 Variant.prefab

Assets/Prefabs/rock2 Variant.prefab.meta