Consolidated the discussion of aural UIs into its own vertical.

Signed-off-by: J. Renée Beach <splendidnoise@gmai.com>
Tour module tooltip markup added.

Signed-off-by: J. Renée Beach <splendidnoise@gmai.com>
Put in the accessibility scale image.

Signed-off-by: J. Renée Beach <splendidnoise@gmai.com>