Connect sites using Middleman page to rest of website

* Add styles to site built but need to fix sticky
* Modify sticky sidebar by using fixed widths
* Rename `waypoints` tag class to `aside.sidebar-container`
* Refactor `#toc` into separate `sidebar` file
* Layout is *not responsive*
Want to use the new syntax?

`layout: example`

Not sure if that's actually correct.