diff --git a/langconf.php b/langconf.php
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+++ b/langconf.php
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+<?php
+/*
+Copyright 2023 UUP dump authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+//List of languages supported by the website
+$supportedLangs = [
+    'en-us',
+    'pl-pl',
+    'de-de',
+    'pt-br',
+    'pt-pt',
+    'nl-nl',
+    'fr-fr',
+    'zh-cn',
+    'ja-jp',
+    'es-ar',
+    'it-it',
+    'ar-sa',
+    'ko-kr',
+    'zh-tw',
+    'hu-hu',
+    'tr-tr',
+    'ro-ro',
+    'ru-ru',
+];
+
+/*
+List of languages automatically set from user's browser configuration.
+
+These mappings were made only for somewhat complete translations on purpose as
+it's better to not force half translated website down to people's throats.
+*/
+$autoLangMappings = [
+    'en-us' => 'en-us',
+    'en'    => 'en-us',
+    'pl-pl' => 'pl-pl',
+    'pl'    => 'pl-pl',
+    'de-de' => 'de-de',
+    'de'    => 'de-de',
+    'ja-jp' => 'ja-jp',
+    'ja'    => 'ja-jp',
+    'zh-cn' => 'zh-cn',
+    'zh'    => 'zh-cn',
+    'ar-sa' => 'ar-sa',
+    'ar'    => 'ar-sa',
+];