Enhance accessibility compliance in themes and a11y tests#281

yamcodes merged 6 commits intomainyamcodes/arkenv:mainfrom

264-fix-color-contrast-accessibility-violation---shiki-syntax-highlighting-and-fumadocs-ui-muted-textyamcodes/arkenv:264-fix-color-contrast-accessibility-violation---shiki-syntax-highlighting-and-fumadocs-ui-muted-textCopy head branch name to clipboard