PHP 8 compatibility

See: https://jqueryui.com/autocomplete/#multiple

For better flexibility

Simple fix to support PHP 8.

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/label#using_the_for_attribute

Cleaning up the breadcrumb

We will change the date format in one go later.

We just need to creating the file and load it via config

system/htmly.php
- Loads language files from folder lang/
- Sets language settings for date and time format
system/includes/dispatch.php
- function i18n() returns translated strings

Without the step modifier users on Chrome mobile couldn't edit
blogs because the seconds were missing
(hh:mm while hh:mm:ss was expected)

This is my first commit, hope it worked :)

Glob() is expensive so cache the category files.