Lachys Simple Currency

This adds fun currency called shackles, these shackles can be obtained with the trader block, and can be made into smaller shackles using the atm block, by clicking the atm block with your shackle it will give you the correct amount of the shackles the level down from it. you can also store shackles in your inventory by putting a shackle into your offhand then right clicking with the new wallet item, the wallet item stores the total amount of shackles in your inventory then by shift clicking it puts all the money back into your inventory. Also almost every item now has a price that can be figured out by clicking the trader block with your chosen item. All of this allows players to use this currency to: buy things, sell things, and much more like it will make shops much easier now that there is a very stable currency.