Simple Token plugin and stacked armour

Hello, is there anyone out there which can make a really easy token shop, where i can /shop and it comes in a gui , a shop which you buy with tokens and another command ./tokens to check how many tokens i have.

i want it to be so i can put enchantments over 5 like, protection 19

also is there a way , when you die wearing 64 stacked gear, it stays stacked and doesnt go into pieces, and also when i through it on the floor, it stays stacke.