change config to array

config.sample.php

@@ -1,8 +1,17 @@
 <?php
-$homeserver = "example.com";
-$access_token = "To be used for sending the registration notification";
-$register_room = '$registerRoomID:example.com';
+$config = [
+    "homeserver" => "example.com",
+    "access_token" => "To be used for sending the registration notification",
 
-$webroot="https://myregisterdomain.net/";
-$howToURL = "https://my-url-for-storing-howTos.net";
+    // Which e-mail-adresse shall the bot use to send e-mails?
+    "register_email" => 'register_bot@example.com',
+    // Where should the bot post registration requests to?
+    "register_room" => '$registerRoomID:example.com',
+
+    // Where is the public part of the bot located? make sure you have a / at the end
+    "webroot" => "https://myregisterdomain.net/",
+
+    // optional: Do you have a place where howTo's are located? If not leave this value out
+    "howToURL" => "https://my-url-for-storing-howTos.net",
+]
 ?>