Options -Indexes
DirectoryIndex index.php

<FilesMatch "\.(json|log|md|sh|gitkeep)$">
    Require all denied
</FilesMatch>

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^([^\.]+)/?$ $1.php [NC,L]
</IfModule>