Options -Indexes

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

<FilesMatch "^(setup_database\.sql|README\.md|index\.html)$">
    Require all denied
</FilesMatch>

RedirectMatch 404 ^/01/(tests|docs)(/|$)
RedirectMatch 404 ^/01/\.