Need same web3js functions like catgirl.io

Our website already exists
Check www.catgirl.io first
We need same functions such as:
- Connect to wallet, MetaMask
- Access Mystery Box
- People can only see NFT on website
- Buy mystery box with our token

From this buy transaction:
6% goes to our marketing wallet, BSC
94% is getting burned dead wallet

Check out www.catgirl.io
We need same features
We already have our own simple website
No timer wasters, only bid if you can do it