BTCPayServer is the way to go, you can use my instance if you like. Getting an account from someone else's instance is the most plug & play you get, you don't need the hassle of running the server, the LN node... Here's my nostr's pubkey npub1v63yslhw8yldt42sudksd32mkq9q6v0j88qx5ht2e7d2cvr5v6qsqsqned