In which format need to add folder with metadata in Ipfs (pinata) and how do change it from the contract with function SetBaseURI?

I need to add a folder with images, and then take CID and just change BaseURI with function setBaseURI?

Hello. if you are still looking for proffesional help for your contract, send a message to my telegram.
@dev.eth
Regards!

It's very easy.
please dm me on telegram
@skyhdev

Thanks