add Accessibility section for Bootstrap

It looks like Bulma's accessibility profile is very slowly improving but will never (unless given infinite timeline) match that of Bootstrap’s. For those of us that are legally required to meet a11y guidelines (US Government/Education), this is an important point that should be highlighted.

diff --git a/docs/alternative-to-bootstrap.html b/docs/alternative-to-bootstrap.html
index c431d86a627c3fe4aff5c2008c7ed938e410c242..18ce2bd8ce19ff436041e836b83416db62e15be5 100644 (file)
--- a/docs/alternative-to-bootstrap.html
+++ b/docs/alternative-to-bootstrap.html
@@ -50,6 +50,10 @@ bootstrap:
   icon: "list"
   title: "Additional elements"
   content: "Bootstrap has some **elements** like [list group](https://getbootstrap.com/components/#list-group), [wells](https://getbootstrap.com/components/#wells), or [page header](https://getbootstrap.com/components/#page-header) that Bulma doesn't have."
+- type: "bootstrap"
+  icon: "universal-access"
+  title: "Accessibility"
+  content: "Bulma has introduced some support for accessibility, but Bootstrap has strong and pervasive compatibility with **WCAG 2.0** guidelines."
 ---
 
 <div class="bd-bootstrap-message notification is-radiusless">