Move allowed ChatIDs list to env.php

env.sample.php

@@ -6,3 +6,5 @@ $bot_api_key  = '1234567890:Telegram_bot_api_key';
 $bot_username = 'telegram_bot_username';
 $hook_url     = 'https://my.server.com/path/to/hook.php';
 putenv('DEEPL_API_KEY=some-uuid-12345-abcde:fx');
+$deepl_api_key = 'some-uuid-12345-abcde:fx';
+$allowed_chat_ids = [123, 456, -123];