url launch support

lib/helpers/launch_helper.dart

@@ -0,0 +1,23 @@
+import "package:flutter/services.dart";
+import "package:flutter_riverpod/flutter_riverpod.dart";
+import "package:url_launcher/url_launcher.dart" as ul;
+
+class LaunchHelper {
+  final Ref ref;
+  LaunchHelper(this.ref);
+
+  Future<void> launchUrl(Uri url, {bool useWebview = false}) async {
+    try {
+      await ul.launchUrl(
+        url,
+        mode: useWebview
+            ? ul.LaunchMode.inAppBrowserView
+            : ul.LaunchMode.externalApplication,
+      );
+    } on PlatformException catch (_) {
+      // Ignore missing intent handler error
+    }
+  }
+
+  static final provider = Provider<LaunchHelper>(LaunchHelper.new);
+}