add sample visitorcount file

app.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+
+set -eu
+
+main() {
+    cd site
+    waitress-serve 'app.app' --port=8041 &
+}
+
+main "$@"

site/app.py

@@ -94,4 +94,4 @@ def todo():
     return render_template('todo.html')
 
 if __name__ == '__main__':
-    app.run(host="0.0.0.0", port=8080)
+    app.run(app=app, server="flask", host="0.0.0.0", port=8080)

site/templates/index.j2

@@ -114,4 +114,15 @@
                 <img src="/static/{{ image }}" alt="{{ image }}" width="88" height="31">
             </a>
         {% endfor %}
+    </p>
+    <h2>
+        credits
+    </h2>
+    <p>
+        <ul>
+            <li>
+                <a href="https://www.vantajs.com/">Vanta.js</a> - background effect
+            </li>
+        </ul>
+    </p>
 </body>

site/visitorCount.sample.txt

@@ -0,0 +1 @@
+0