Hey, if you want to send one-tap zaps you need to set up NWC connection in your client (often found in settings; Primal, Amethyst... multiple wallets use it!
Invite code sent to your dm ;)
-------
As per receiving zaps... you need to put your LN address in your Nostr profile - you don't have any currently. With Alby Account you get yourpersonal[at]getalby.com address