Lightning Zaps

Added initial lightning zaps/tipping integration

Changelog-Added: Receive Lightning Zaps

damus/Util/LNUrlPayRequest.swift

@@ -0,0 +1,24 @@
+//
+//  LNUrl.swift
+//  damus
+//
+//  Created by William Casarin on 2023-01-16.
+//
+
+import Foundation
+
+struct LNUrlPayRequest: Decodable {
+    let allowsNostr: Bool?
+    let nostrPubkey: String?
+    
+    let minSendable: Int64?
+    let maxSendable: Int64?
+    let status: String?
+    let callback: String?
+}
+
+
+
+struct LNUrlPayResponse: Decodable {
+    let pr: String
+}