* Add color mode selector in footer
* Interpret color mode from cookie
* Update render-page.js
* Delete color-mode.js
* Update render-page.js
* Make this more resilient to HTML tag changes
* Update scroll-button.scss
The files in this directory are "includes", snippets of HTML that can be
reused in multiple layouts or pages. In Ruby on Rails parlance, these are
called "partials".
Using Includes
This example injects the contents of includes/header.html into the
page: