Recipe Tweaks

Additions:

1. Added a Copper Horse Armor crafting recipe (same shape as other Horse Armor recipes; unlocked when picking up a Copper Ingot);
2. Added new Soul/Copper Torch crafting recipes (1 Torch Surrounded by 4 Soul Sand/Soil or Copper Nuggets; grouped & unlocked simultaneously with vanilla recipes);
3. Added (new Waxed) Copper Golem Statue crafting recipes (Carved Pumpkin/Jack o'Lantern on top of a Copper Block; new Waxed Copper Golem Statue recipes are grouped with the vanilla ones; unlocked when picking up the matching Copper blocks);
4. Added new Soul Campfire/Lantern crafting recipes (1 Soul Sand/Soil with 1 Lantern/Campfire; grouped & unlocked simultaneously with vanilla recipes).

​Changes:

1. Updated to 1.21.9;
2. Changed the Copper/Iron Chain recipes (they now use 5 Nuggets instead of 1 Ingot and 2 Nuggets; no longer unlocked when picking up a Copper/Iron Ingot);
3. Removed the altered Copper Trapdoor recipe since it's now in vanilla;
4. Changed the Saddle recipe (it's now 3 Leather, 2 String below and 2 Iron Nuggets below the String);
5. Improved the data pack description (all text from the 'pack.mcmeta' file should be displayed fully now).