* Responsive design grid
* Addressed PR feedback
* Bump Quartz version 4.3.1 => 4.4.0
* Moved page-header into center
* Updated docs with new layouts
* Sync updated version number with package-lock
* Table of Content scrollbar auto
* Reset node_modules
* Updated layout images
* Fixed tablet layout
* Finilazed layout images
* Add a wrapper span to dates in PageList.
This means there is a placeholder when date is not specified, so the values in grid-template-columns always line up correctly.
* Use a <div> instead -- better practice to stick to block elements.
