Spawner crafting [Datapack]

this is a datapack that enable you to make spawners and some spawn eggs and the recipies is 
spawner: iron bars around a soul sand
zombie_spawn_egg: roten flesh around a egg
evoker_spawn_egg: xp bottles on the angles and emerald on edges around egg
skeleton_spawn_egg: bones around a egg but on the left edge there is a bow
wither_skeleton_spawn_egg: stone swords on the angles and coal on the edges around a egg
spider_spawn_egg: strings around a egg but there is 2 spider eyes on the top angles
creeper_spawn_egg: sand on the angles and gunpowder on the edges around a egg
and 1 more thing that you need to get a lot of xp:

put a water bucket on a campfire and wait for it to be obsidian then you will get 10000 or more xp points!!!