Login using LN wallet

[ghost]

Is your feature request related to a problem? Please describe.
Use lnurl-auth for authentication

Describe the solution you'd like
Use https://github.com/Horndev/lnurl.net to integrate lnurl-auth in btcpayserver

Sketch/Image/Wireframe/Mockup

Describe alternatives you've considered
Use email and password for login

Additional context

Screenshots are from https://lnmarkets.com and https://etleneum.com

[pavlenex]

Related #1692

[pavlenex]

I'll close this one as a duplicate of #1692

mhm, actually it's not the same, I misread, my bad. Re-opened