Support bolt12 #266
Description
It should be straighforward to do submarine swaps
https://github.com/BoltzExchange/boltz-web-app/blob/f94e7cdb31946ccbc4bd5d2f4f29086ca63c7335/src/utils/invoice.ts#L261
for reverse need to figure out webhook/websockets and/or combine it with #264 for smoother integration. Fine to do Submarine first, and Reverse down the road
This may require boltz-swap package support first