downloadReels method
Implementation
Future<String> downloadReels(String link) async {
var linkEdit = link.replaceAll(" ", "").split("/");
var downloadURL = await http.get(Uri.parse('${linkEdit[0]}//${linkEdit[2]}/${linkEdit[3]}/${linkEdit[4]}' + "/?__a=1"));
var data = json.decode(downloadURL.body);
var graphql = data['graphql'];
var shortcodeMedia = graphql['shortcode_media'];
var videoUrl = shortcodeMedia['video_url'];
return videoUrl; // return download link
}