major overhaul, including:

* builds with echo now instead of gin
* beginning of web UI
* factor out util functions

view/index.html

@@ -0,0 +1,29 @@
+{% extends "page.html" %}
+
+{% block content %}
+<div class="col-lg-12">
+
+
+    <h2>indexer stats</h2>
+
+<table class="table table-striped table-hover">
+  <thead class="thead-dark">
+<tr>
+  <th scope="col">Key</th>
+  <th scope="col">Value</th>
+</tr>
+</thead>
+<tbody>
+{% for stat in stats %}
+    <tr>
+        {{stat.key}}
+    </tr>
+    <tr>
+        {{stat.value}}
+    </tr>
+{% endfor %}
+ </tbody>
+</table>
+
+</div>
+{% endblock %}