For better flexibility

Simple fix to support PHP 8.

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

Glob() is expensive so cache the category files.

Make the footnote link absolute when on teaser

The ported version of Twenty Fifteen and Twenty Sixteen include with the
package. Maintenance and bugs fixes.

Support Chinese, Japanese, Arabic etc. for the slug (post url, tag and
category).

Improving template engine for more flexible theming. Add
cache.expiration.

Simplify add and edit content. Bugs fixes and improvements.

Use URLify, add pager number, new variable etc.

Add active menu link to custom menu

Prepare release, improvements, and bugs fix  #226

Add new config: static.frontpage = "true" to enable the static
frontpage.

Use the pagedown extra instead of standard pagedown. Adding
sitemap.category.xml