NFT CRONOS CHAIN

I need an working contract on the cronos chain, i need a button on my website where the people can connect their wallet and then mint an nft, i also need 6% royality fees, when someone sells it on a platform i get 6% on my wallet. And i need reveal nfts 48 hours after mint, so when sold out, 48 hours later i click.a button and then all nfts get revealed.
In total i need 10.000 nfts, i have 222 png/jpeg in total that need to be mixed.