I am told this exists already https://lncal.com
Discussion
Yep. Apparently I can book nostr:nprofile1qqsxu35yyt0mwjjh8pcz4zprhxegz69t4wr9t74vk6zne58wzh0waycpz9mhxue69uhkummnw3ezuamfdejj7qg4waehxw309ahx7um5wghx77r5wghxgetk9uq3wamnwvaz7tmpw3kxzuewdehhxarj9ekxzmny9uk0eua6 .
I wonder if it's like for consultancy or more like an onlyfans thing. 😆 
lol i'm not sure what happens when you click this, I guess the guy that created it put me in there