A lot of things.

config/xenforo.php

@@ -0,0 +1,18 @@
+<?php
+
+return [
+    'bot_user_id' => 1,
+
+    'comments_node_id' => 4,
+
+    'comments_prefixes' => [
+        'translations' => 1,
+        'romhacks' => 2,
+        'homebrew' => 3,
+        'utilities' => 4,
+        'documents' => 5,
+        'lua-scripts' => 6,
+        'tutorials' => 7,
+        'news' => 8
+    ],
+];