ios: add user-defined device name for remote desktop connection

apps/ios/SimpleX (iOS).entitlements

@@ -19,6 +19,8 @@
 		<string>$(AppIdentifierPrefix)chat.simplex.app</string>
 	</array>
 	<key>com.apple.developer.networking.multicast</key>
-  	<true/>
+	<true/>
+	<key>com.apple.developer.device-information.user-assigned-device-name</key>
+	<true/>
 </dict>
 </plist>