Heavy Piglins Bartering (Bartering++)

Added gold nugget trading

Loot table:

book (soul_speed 1) - 0.43%

iron_boots (soul_speed 1) - 0.71%

potion (fire_resistance) - 0.71%

splash_potion (fire_resistance) - 0.71%

potion (water) - 1.14%

iron_nugget (10-30) - 1.14%

ender_pearl (2-4) - 1.14%

string (3-9) - 4.29%

quartz (5-12) - 5.00%

obsidian - 5.71%

crying_obsidian (1-3) - 8.57%

fireball - 5.71%

leather (2-4) - 8.57%

soul_sand (2-8) - 8.57%

netherbrick (2-8) - 8.57%

arrow (6-8) - 5.71%

gravel (8-15) - 10.00%

blackstone (8-18) - 8.57%