Add email address to the bottom of each post.

layouts/partials/email.html

@@ -0,0 +1,2 @@
+{{ $email := .email | default .Email
+}}<a href="mailto:{{ $email }}">{{ $email }}</a>

layouts/posts/single.html

@@ -158,5 +158,9 @@
     </script>
     {{ end }}
 
+    <p style="text-align: center">
+      Questions? Concerns? Email {{ partial "email.html" (dict "email" "me@hyperling.com") }} any time!
+    </p>
+
   </main>
 {{ end }}