WIP Check for zaps, send zap receipt on incoming zap tx

app/services/nostr_manager/publish_zap_receipt.rb

@@ -0,0 +1,10 @@
+module NostrManager
+  class PublishZapReceipt < NostrManagerService
+    def initialize(user:, zap_request:)
+      @user, @zap_request = user, zap_request
+    end
+
+    def call
+    end
+  end
+end