Add trading fee to money

[Kkap-soul]

Is your feature request related to a problem? Please describe. It's not related to a problem.

Describe the solution you'd like could you please add the trading fee? I think trading fee make plugin more special.

Describe alternatives you've considered Not Applicable

Additional context If player get money from trading, charge a fee that is controlled by config example) Trading_Fee: 5(%)

Discord contact: K소울#9609

[daniel-skopek]

That would be a great idea!