coding style index.php

Chinese has progress again, which makes me personally happy.  :)

Taken from: https://translate.opnsense.org/

(legacy) there are a few ACL's without a visible UI part included, which may result in less practical redirectings when the index is not authorized.

Add the license to the ACL, so we know for sure the menu is visible.

issue https://github.com/opnsense/core/issues/724

(legacy) authgui.inc,/ (root) is /index.php, make sure we're matching the correct item. https://github.com/opnsense/core/issues/724

fix for https://github.com/opnsense/core/issues/296
and  https://github.com/opnsense/core/issues/347

when no servers are selected, all still apply, which should keep current configurations valid.

(legacy) align help message with openvpn for vpn_openvpn_server.php, closes https://github.com/opnsense/core/issues/774

(legacy) add copy/move to vpn_openvpn_csc.php overview + some js cleanups. closes https://github.com/opnsense/core/issues/442

(legacy) fix crashreport PHP Warning:  Illegal string offset 'wan' in /usr/local/www/services_dhcpv6.php on line 57

(legacy) fix crashreport Call to undefined function get_services() in /usr/local/www/fbegin.inc on line 38

(ids) add "update" for rules action, triggers reloadRulesAction. related https://github.com/opnsense/core/issues/750