nip42: add initial relay auth support

Lightning-Invoice: lnbc1pjcpaakpp5gjs4f626hf8w6slx84xz3wwhlf309z503rjutckdxv6wwg5ldavsdqqcqzpgxqrrs0fppqjaxxw43p7em4g59vedv7pzl76kt0qyjfsp5qcp9de7a7t8h6zs5mcssfaqp4exrnkehqtg2hf0ary3z5cjnasvs9qyyssq55523e4h3cazhkv7f8jqf5qp0n8spykls49crsu5t3m636u3yj4qdqjkdl2nxf6jet5t2r2pfrxmm8rjpqjd3ylrzqq89m4gqt5l6ycqf92c7h
Closes: https://github.com/damus-io/damus/issues/940
Signed-off-by: Charlie Fish <contact@charlie.fish>
Signed-off-by: William Casarin <jb55@jb55.com>
Changelog-Added: Add NIP-42 relay auth support

damus/Notify/ReconnectRelaysNotify.swift

@@ -0,0 +1,26 @@
+//
+//  ReconnectRelaysNotify.swift
+//  damus
+//
+//  Created by Charlie Fish on 12/18/23.
+//
+
+import Foundation
+
+struct ReconnectRelaysNotify: Notify {
+    typealias Payload = ()
+    var payload: ()
+}
+
+extension NotifyHandler {
+    static var disconnect_relays: NotifyHandler<ReconnectRelaysNotify> {
+        .init()
+    }
+}
+
+extension Notifications {
+    /// Reconnects all relays.
+    static var disconnect_relays: Notifications<ReconnectRelaysNotify> {
+        .init(.init(payload: ()))
+    }
+}