ADD: audiodb, image descs, mild css

public/images.php

@@ -1,7 +0,0 @@
-<h1>Ab hier sind jetzt Bilder</h1>
-
-<?php
-  include_once('../app/db_connector.php');
-  get_images($pdo);
-?>
-

public/index.php

@@ -16,7 +16,7 @@
   </a>
   
   <ul class='menu_bar'>
-    <li><a href='./index.php?el=images'>images</a></li>
+    <li><a href='./index.php?el=image'>image</a></li>
     <li><a href='./index.php?el=audio'>audio</a></li>
     <li><a href='./index.php?el=video'>video</a></li>
     <li><a href='./index.php?el=text'>text</a></li>
@@ -26,11 +26,12 @@
 </body>
 
 <?php
+  require_once('../app/config.php');
   $el = isset($_GET['el']) ? $_GET['el'] : '';
     
   switch($el) {
-    case 'images': 
-      include('images.php');
+    case 'image': 
+      include('image.php');
       break;
 
     case 'audio':
@@ -50,6 +51,7 @@
       break;
 
     default: 
+      include('404.php');
       break;  
   }
 ?>