Create a key generation panel, must have a left sidebar witht he navigation menu, and on the right side an input for the quantity, a select to select the subscription type, a optional prefix for the generated keys, a preview key with the prefix, and a budget for the purchase of the keys, the retial price for each key, the reseller price for each key, the total retail price and total reseller price, and show the 40% discount for the reseller | A shadcn/ui and v0 generation - v0
