Git is already decentralized, but the GitHub stuff (issues/merges) is already on nostr: https://gitworkshop.dev/r/naddr1qvzqqqrhnypzq3svyhng9ld8sv44950j957j9vchdktj7cxumsep9mvvjthc2pjuqy88wumn8ghj7mn0wvhxcmmv9uqqsctdv46xs7tnwsuwyheg