* Initial contents for JavaScript walkthrough.
* Just suggest a `.js` file.
* Switch the walkthrough to be a Node.js walkthrough.
* Remove leftover file from HTML walkthrough.
* Add basic detection mechanism for node.
* Don't check for a Node install until the user runs debug.
* Add "learn more" link.
* Some assets.
* Remove "run" section.
* Add a "try debugging anyway" option just in case.
* Remove "view terminal" command in run & debug.
* More copy.
* Remove unused command.
* Update icon and themed walkthrough SVGs
* Default to not showing the extension.
* Replace icon
* Delete TODO.md
* jsWelcome -> nodejsWelcome
Co-authored-by: David Dossett <ddossett@microsoft.com>
Co-authored-by: Matt Bierner <matb@microsoft.com>
