Merge pull request 'users tab' (#5) from feature/users-tab into main

Reviewed-on: tylda-public/main#5
Reviewed-by: v0id1st <v0id1st@tylda.org>

header.php

@@ -13,4 +13,5 @@
         <a href="/wiki/">wiki</a>
         <a href="/git/">git</a>
         <a href="/register.php">dołącz</a>
+        <a href="/users.php">użytkownicy</a>
     </header>

users.php

@@ -0,0 +1,19 @@
+<?php 
+include 'header.php';
+?>
+<article>
+Lista użytkowników i linki do ich blogów
+<ul>
+<?php
+$host=htmlspecialchars($_SERVER['SERVER_NAME']);
+//$host="";
+foreach (scandir("/home/") as $file) {
+    if (in_array($file, array('.', '..'))) continue;
+    echo "<li><a href="/~$file">~$file</a></li>";
+}
+
+?>
+
+
+</ul>
+</article>