Add PSR HTTP Message Interfaces and Dependencies

- Implemented StreamInterface, UploadedFileInterface, and UriInterface as per PSR standards.
- Added getallheaders function to retrieve HTTP headers in a compatible manner.
- Included LICENSE files for ralouphie/getallheaders and symfony/deprecation-contracts.
- Introduced function for triggering deprecation notices in Symfony.

wp-content/plugins/autopoly-ai-translation-for-polylang-pro/assets/classic-inline-translation/index.asset.php

@@ -0,0 +1 @@
+<?php return array('dependencies' => array('react', 'react-dom', 'wp-i18n'), 'version' => '3aba280d86d09cf46a55');