Easy plus gunpowder recipe

adds a recipe for gunpowder that requires 1 coal, 2 copper bars, 1 gold nugget, 1 iron nugget that gives 3 gunpowder

versions 1.16.5 or older need for this recipe 2 iron bars, 1 coal and 2 gold nuggets, the iron nugget must be replaced by a gold nugget and replace the 2 copper bars with iron bars

帮我改变 Minecraft！ 在官方 Minecraft 反馈平台为我的优化版 Y=-96 深度扩展和新矿石建议投票： https://feedback.minecraft.net/hc/en-us/community/posts/49618467887885-Minor-depth-expansion-to-Y-96-with-a-brand-new-exclusive-ore