Options -Indexes
DirectoryIndex index.php

<FilesMatch "^(config\.php|config\.example\.php|schema\.sql|README\.md)$">
  Require all denied
</FilesMatch>

<IfModule mod_headers.c>
  Header always set X-Content-Type-Options "nosniff"
  Header always set X-Frame-Options "SAMEORIGIN"
  Header always set Referrer-Policy "strict-origin-when-cross-origin"
  Header always set Permissions-Policy "camera=(), microphone=(), geolocation=()"
</IfModule>