Upgradeable Iron Golems

• Updated for 1.21.5 - 1.21.8

• Backport for versions 1.21 and 1.21.1

• Updated for 1.21.2 - 1.21.4

• Updated for 1.20.5 and 1.20.6
• Updated crafting recipes to use the component crafting
• Iron fist upgrade now gives double base attack damage instead of strenght 5

• Added more advancements
• Buffed shield-field star, range 16 => 80, duration 3s => 16s
• Added new upgrade: Turtle plate, grants a golem 15 armor points
• Buffed golem battery, regeneration level III => IV; regeneration duration 3s => 8s
• Buffed glow transmitter, range 24 => 40
• Iron fist strenght effect no longer does particles
• Added a sound to giving an iron golem an iron ingot

• Updated for 1.20
• Added advancement to tell players this datapack is installed
• Recipes can now be remembered by recipe book
• Recipes unlocked by getting an iron block

Should work on 1.19-1.19.4+