web/.htaccess: handle DirectoryIndex redirects in a RewriteRule instead of with `DirectoryIndex index`, so that RewriteConds can be used to configure when index.* is used as the DirectoryIndex instead of a mod_dir listing
web/.htaccess: handle DirectoryIndex redirects in a RewriteRule instead of with `DirectoryIndex index`, so that RewriteConds can be used to configure when index.* is used as the DirectoryIndex instead of a mod_dir listing