feat: accessibility attributes for Course Navigation top bar#1606

vladislavkeblysh wants to merge 2 commits intoopenedx:masteropenedx/frontend-app-learning:masterfrom

raccoongang:keblysh/feat/accessibility-HTML-attributes-for-Course-Navigation-top-barraccoongang/frontend-app-learning:keblysh/feat/accessibility-HTML-attributes-for-Course-Navigation-top-barCopy head branch name to clipboard