Nostr Subkeys

I've been playing around with the idea of Subkeys for nostr.  These are
similar to GPG subkeys but could have several advantages as I have outlined
below.  Subkeys themselves have multiple use cases, though, and GPG is just
one.

https://dev.to/melvincarvalho/could-nostr-subkeys-replace-gpg-a-simple-powerful-alternative-for-the-modern-web-aa0