Bumps [acorn](https://github.com/acornjs/acorn) from 6.4.0 to 6.4.1.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/6.4.0...6.4.1)
Signed-off-by: dependabot[bot] <support@github.com>

Feature/rewrite for article

add npm-run-all for cross platfrom capability

Simple hello world that will display in the browser
when the user visits the localhost url.

Fix security issues