clipboard url handling

app/lib/utils/clipboard.dart

@@ -0,0 +1,7 @@
+import 'package:flutter/services.dart';
+import 'package:weblibre/utils/uri_parser.dart';
+
+Future<Uri?> tryGetUriFromClipboard({bool eagerParsing = true}) async {
+  final data = await Clipboard.getData('text/plain');
+  return tryParseUrl(data?.text, eagerParsing: eagerParsing);
+}