feat: a11y

web/src/App.js

@@ -80,6 +80,7 @@ export default function App() {
             value={inputValue}
             ref={inputRef}
             placeholder={t('placeholder')}
+            aria-label="search query"
           />
           {queryGiven && !suggested ? (
             <Suggestion onSubmit={onSuggestionCompleted} query={query} />

web/src/components/Footer.js

@@ -22,10 +22,13 @@ export default function Footer() {
           </ExternalLink>
         </p>
         <Links>
-          <ExternalLink href="https://github.com/uetchy/namae">
+          <ExternalLink
+            href="https://github.com/uetchy/namae"
+            aria-label="Go to GitHub repository">
             <FaGithubAlt />
           </ExternalLink>
           <ExternalLink
+            aria-label="Tweet this page"
             href={`https://twitter.com/intent/tweet?text=${encodeURIComponent(
               `namae — ${t('title')}`
             )}&url=${encodeURIComponent('https://namae.dev')}`}>