update Accessibility.md close #244
update Accessibility.md
close #244

RolandStuder/styleguide,swiss/styleguide,RolandStuder/styleguide,RolandStuder/styleguide,ComperioAG/styleguide_geologieportal,manuelroth/styleguide,manuelroth/styleguide,ComperioAG/styleguide_mont-terri,swiss/styleguide,ComperioAG/styleguide_mont-terri,ComperioAG/styleguide_geologieportal,manuelroth/styleguide