Improved accessibility

refs #37

Author: minimaluminium

partials/components/navigation.hbs

@@ -10,7 +10,7 @@
                 {{/if}}
             </a>
             {{> "search-toggle"}}
-            <button class="gh-burger gh-icon-button">
+            <button class="gh-burger gh-icon-button" aria-label="Menu">
                 {{> "icons/burger"}}
                 {{> "icons/close"}}
             </button>

partials/email-subscription.hbs

@@ -1,6 +1,6 @@
 <form class="gh-form" data-members-form>
     <input class="gh-form-input" type="email" placeholder="[email protected]" required data-members-email>
-    <button class="gh-button" type="submit">
+    <button class="gh-button" type="submit" aria-label="Subscribe">
         <span><span>Subscribe</span> {{> "icons/arrow"}}</span>
         {{> "icons/loader"}}
         {{> "icons/checkmark"}}