nos2x v2.3.0: NIP49 Support

"Pushed a new nos2x update, with marvelous changes." -  nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6

https://www.nobsbitcoin.com/nos2x-v2-3-0/