🚨 Fix web compile with the native http client

lib/providers/adapters/sn_network_native.dart

@@ -0,0 +1,12 @@
+import 'dart:io';
+
+import 'package:dio/dio.dart';
+import 'package:native_dio_adapter/native_dio_adapter.dart';
+
+Dio addClientAdapter(Dio client) {
+  if (Platform.isAndroid || Platform.isIOS || Platform.isMacOS) {
+    // Switch to native implementation if possible
+    client.httpClientAdapter = NativeAdapter();
+  }
+  return client;
+}

lib/providers/adapters/sn_network_universal.dart

@@ -0,0 +1,2 @@
+export 'package:surface/providers/adapters/sn_network_web.dart'
+    if (dart.library.io) 'package:surface/providers/adapters/sn_network_native.dart';

lib/providers/adapters/sn_network_web.dart

@@ -0,0 +1,5 @@
+import 'package:dio/dio.dart';
+
+Dio addClientAdapter(Dio client) {
+  return client;
+}