feat: update iOS/macOS native bindings and example app

- Update iOS/macOS frb_generated.h headers with new API
- Update podspec files for iOS and macOS
- Update example app wallet provider
- Update root and utility files

Author: BitcoinZavior

example/lib/providers/wallet_provider.dart

@@ -36,7 +36,7 @@ class WalletNotifier extends StateNotifier<WalletState> {
           .setStorageDirPath(nodeStorageDir)
           .setNetwork(ldk.Network.signet)
           .setChainSourceEsplora(
-              esploraServerUrl: 'https://mutinynet.ltbl.io/api/')
+              esploraServerUrl: 'https://mutinynet.com/api/')
           .setListeningAddresses(
               [ldk.SocketAddress.hostname(addr: '0.0.0.0', port: port)])
           .setLiquiditySourceLsps2(

ios/Classes/frb_generated.h

@@ -4,7 +4,7 @@ Pod::Spec.new do |s|
   s.summary          = 'A ready-to-go Lightning node library built using LDK and BDK.'
   s.homepage         = 'https://www.LtbL.io'
   s.license          = { :file => '../LICENSE' }
-  s.author           = { 'Let there be Lightning, Inc' => 'hello@LtbL.io' }
+  s.author           = { 'Let there be Lightning, Inc' => 'hello@LtbLightning.io' }
   s.source           = { :path => '.' }
   s.source_files     = 'Classes/**/*'
   s.platform         = :ios, '12.0'