putAssets function
Implementation
Future<void> putAssets(String buildPath) async {
var packageUri = Uri.parse("package:teniyo/");
var libPath = File.fromUri((await Isolate.resolvePackageUri(packageUri))!).path;
var mainFolder = "${libPath}assets\\main";
var teniyoAssets = "${libPath}assets\\teniyo_assets";
Directory(buildPath).createSync();
Directory("$buildPath\\teniyo_assets").createSync();
copyFolder(teniyoAssets, "$buildPath\\teniyo_assets\\");
copyFolder(mainFolder, buildPath);
}