minor #20016 Add a short mention to apache-pack in the web server docs (javiereguiluz)

This PR was squashed before being merged into the 5.4 branch.

Discussion
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Add a short mention to apache-pack in the web server docs

Fixes #19649.

Commits
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3533f96 Add a short mention to apache-pack in the web server docs

Author: javiereguiluz

setup/web_server_configuration.rst

@@ -95,6 +95,14 @@ directive to pass requests for PHP files to PHP FPM:
         CustomLog /var/log/apache2/project_access.log combined
     </VirtualHost>
 
+.. note::
+
+    If you are doing some quick tests with Apache, you can also run
+    ``composer require symfony/apache-pack``. This package creates an ``.htaccess``
+    file in the ``public/`` directory with the necessary rewrite rules needed to serve
+    the Symfony application. However, in production, it's recommended to move these
+    rules to the main Apache configuration file (as shown above) to improve performance.
+
 Nginx
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