Capstone: a mini bank, step by step
By the end of this lesson you will run a working /bank command that lets a player deposit cash, withdraw cash, and check a balance saved in MariaDB. The balance lives only on the server, and a withdraw larger than the balance is refused. That refusal is the capstone idea: the server holds the truth, so the client cannot lie its way to free money.
Build it
Make the resource folder
Inside your server's folder, create this folder: