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backend/vendor/nelmio/cors-bundle/README.md

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+# NelmioCorsBundle
+
+## About
+
+The NelmioCorsBundle allows you to send [Cross-Origin Resource Sharing](http://enable-cors.org/)
+headers with ACL-style per-URL configuration.
+
+## Features
+
+* Handles CORS preflight OPTIONS requests
+* Adds CORS headers to your responses
+* Configured at the PHP/application level. This is convenient but it also means
+  that any request serving static files and not going through Symfony will not
+  have the CORS headers added, so if you need to serve CORS for static files you
+  probably should rather configure these headers in your web server
+
+## Installation
+
+Require the `nelmio/cors-bundle` package in your composer.json and update your dependencies:
+
+```bash
+composer require nelmio/cors-bundle
+```
+
+The bundle should be automatically enabled by [Symfony Flex][1]. If you don't use
+Flex, you'll need to enable it manually as explained [in the docs][2].
+
+## Usage
+
+See [the documentation][2] for usage instructions.
+
+## License
+
+Released under the MIT License, see LICENSE.
+
+[1]: https://symfony.com/doc/current/setup/flex.html
+[2]: https://symfony.com/bundles/NelmioCorsBundle/current/index.html