nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq3sugtkczwcft4rmz4tadkw4acetdndat6fnvdcgc6r5a0fahcf6qmehgg4 There's no need to ask lawyers, this is a well established practice. Every source file should have a license header. And other files such as images should have their license clarified ...