JavaScript (v3): EC2 - Update basics example to match team accessibility guidelines.#6980

ford-at-aws merged 2 commits intoawsdocs:mainawsdocs/aws-doc-sdk-examples:mainfrom

cpyle0819:corepyle/a11y-examplecpyle0819/aws-doc-sdk-examples:corepyle/a11y-exampleCopy head branch name to clipboard