basic signup and wiki

wiki/index.php

@@ -0,0 +1,17 @@
+<?php 
+$title = "tilde.club wiki";
+include __DIR__."/../header.php";
+?>
+
+<h1>the tilde.club wiki</h1>
+
+<p>here's the articles on our wiki:</p>
+<ul>
+<?php foreach (glob("source/*.md") as $article) {
+	$article = basename($article, ".md"); ?>
+	<li><a href="/wiki/<?=$article?>.html"><?=$article?></a></li>
+<?php } ?>
+</ul>
+
+<?php include __DIR__."/../footer.php";
+