feat: add 404 page, use table for page index, fix info in pages

tpl/page-index.php

@@ -30,9 +30,17 @@ array_multisort(
 );
 ?>
 <?php echo $page["content"] ?>
-<ul class="pages-index">
-<?php
-foreach ($child_pages as $page)
-  echo "<li><span>", date("Y-m-d", $page["date"]), "</span> | <a href=\"", $page["href"], "\">", $page["title"], "</a></li>\n";
-?>
-</ul>
+<table class="pages">
+  <tbody>
+		<?php
+			foreach ($child_pages as $page)
+				echo "<tr><td>",
+					date("Y-m-d", $page["date"]),
+					"</td><td><a href=\"",
+					$page["href"],
+					"\">",
+					$page["title"],
+					"</a></td></tr>\n";
+		?>
+  </tbody>
+</table>