add content-type and access-control headers to hit function response

layouts/_default/single.html

@@ -2,19 +2,21 @@
 <div class="layout layout-single">
   <article>
     <div id="meta">
-      <span id="meta-date">
+      <div id="meta-date">
         <a class="no-underline" href="{{ .Permalink }}" title="{{ .Date.Format "Mon, Jan 2 2006 3:04:05 PM MST" }}">📅 {{ .Date.Format "January 2, 2006" }}</a>
-      </span>
+      </div>
+
       {{ with .Scratch.Get "sourceURL" }}
-      <span id="meta-edit">
+      <div id="meta-edit">
         <a class="no-underline" href="{{ . | safeURL }}" title="Edit this post on GitHub" target="_blank" rel="noopener">✏️ Improve This Post</a>
-      </span>
+      </div>
       {{ end }}
-      <span id="meta-hits" style="display:none;">
+
+      <div id="meta-hits" style="display: none;">
         👀
         <div id="hit-spinner" class="spinner"><div class="spin-bounce1"></div><div class="spin-bounce2"></div><div class="spin-bounce3"></div></div>
         <span id="hit-counter"></span>
-      </span>
+      </div>
     </div>
 
     <h1 class="title"><a class="no-underline" href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h1>