Simple Donutpay plugin replica

Plugin dependency:
Essentialsx(required)
Vault(required)
PlaceholderAPI(optional)

Placeholder:
%player%
%balance%
%amount%

Permission:
donutpay.* All DonutPay permissions op
donutpay.balance Use balance command true
donutpay.pay Use pay command true
donutpay.admin Admin permissions

Commands:
/Balance or /bal
/Pay