Add confirmation for destructive action

Author: alindeman

app/views/application/_draft_present_alert.html.erb

@@ -2,6 +2,6 @@
     <div class="alert draft-present-alert">
         Data was restored from an incomplete draft.
 
-        If you want, you can <%= link_to "discard the draft and start over", discard_draft_url, class: "discard-draft-link", method: :put, remote: true %>.
+        If you want, you can <%= link_to "discard the draft and start over", discard_draft_url, class: "discard-draft-link", method: :put, remote: true, data: { confirm: "Are you sure you want to discard this draft and start over?" } %>.
   </div>
 <%- end %>