Improve admin settings page

The improvements are mostly cosmetic^Wquestionable.

web/templates/config/index.html

@@ -5,12 +5,14 @@
 Tu lahko urejate splošne nastavitve.
 
 <form id="request" method="POST">
-<h2>Nastavitve</h2>
+<table>
+<tbody>
 {% for name, value in settings.items() %}
-<p>
-<input type="hidden" name="setting" value="{{ name }}" />
-<label>{{ name }}<br><input name="value" value="{{ value }}" /></label>
+<tr>
+<td><label for="{{ name }}">{{ name }}</label>
+<td><input id="{{ name }}" name="{{ name }}" value="{{ value }}" size="40" />
 {% endfor %}
+</table>
 <p><button id="submit" type="submit">Shrani</button>
 </form>