Let the user name the iPhone in Settings

mac/Sources/Byre/API.swift

@@ -107,7 +107,8 @@ private let clientID = newID("cli")
 #if os(macOS)
 let deviceName = Host.current().localizedName ?? ProcessInfo.processInfo.hostName
 #else
-let deviceName = MainActor.assumeIsolated { UIDevice.current.name }
+let deviceNameKey = "deviceName"
+let deviceName = UserDefaults.standard.string(forKey: deviceNameKey) ?? deviceKind
 #endif
 
 final class API: Sendable {