Shop Taxes

QuickShop tax system allow user to configure the tax should be take from every transaction.

#Tax amount (decimal)
#Example: P1 buys $50 worth of stuff from P2.  Therefore, P1 loses $50, P2 gains $(1-0.05)*50, and the tax-account gains $(0.05)*50.
tax: 0.05

#The fake player where the tax money goes to.
#Set this to "" to disable it (Taxing will still work but not deposit to any account)
tax-account: tax

#Whether to show taxes paid when selling to a shop
show-tax: false