* Make /utilities/ redirect to /utilities/borders/.

* Rewrite sidebar active link logic to ensure superstrings are not selected.

Capture the slug once before applying it and add a slash to it to so we get a unique string to match against instead of a fuzzy partial 'contains'. Helps avoid 'grid' highlighting 'flexbox-grid', for example.

content had already been wrapped in the `<div class="col-md-3 col-md-push-9 bd-sidebar">`

- drop the index pages save for examples
- comment out the extend section for now
- fix up spacing fix on team list

* Bring back the navbar up top
* Pull the docs content back into separate pages because a 6.6k line docs file is just crazy
* Recenter the page content and bring back affixed side nav (needs work)

* Rearrange sections
* Add code snippets for text and links in navbars
* Add .navbar-link back in
* Add mention of .navbar-text, but it still needs to be re-implemented
* Update nav to reflect new order

* Add top margin, calculated by subtracting height of an input from height of a navbar, and dividing by two
* Uses the same method as .navbar-form
* To use, add .navbar-btn to any button outside a form element
* Also add section to docs detailing buttons in navbars, and add more ids for the other unlinked and unmentioned sections in the side nav