* Move chevron/arrow to start of disclosure widget
in addition, changes the only expand/collapse disclosure widget like this on the web client to use the same `<h3><button>...</button></h3>` structure as on browser extension and desktop app
* Change collapsed/expanded icons
Make them more understandable and consistent with other expand/collapse controls
* Harmonise desktop +/- controls to use arrow/chevron icons as well
also removes the incorrect `A11yTitle` in the generator that currently overrides the visible "Options" text (leading to a failure of WCAG 2.5.3 Label in Name)
* Change the icons for the expand/collapse disclosure widget in SSO component
* Expand icon explanation
plus minor typo cleanup
* Add patch for Send button focus outline
* updated naming of common to documentation
* Add button docs
* updated sort order
Documentation is now above the component library and allows the general pages to come before the component specific ones.
* fixed typos
* updated file name
* fixed typo in introduction.stories.mdx
* updated banner.stories.mdx to match new docs structure
* remove plural in button docs
Oscar Hinton
Will Martin
Patrick H. Lauke
Danielle Flinn
Shane Melton