Dark Theme Admin mod theme

Plugin Description:

now you can try a dark theme using my plugin, before you had to replace the css.php file, now you do not have to! Check out the new theme of your get simple with support for mobile devices.

/1.3 version update /

add show/hide sidebar menu button, setting add to nav, and health website stats move to the setting sidebar, added hamburger menu in responsive design.

/1.4 version update/

@import css deleted from css, now is on header cdn. added viewport for good responsive support.

/1.5 version update/

This version update thanks to Oleg06, fix many errors, add bigger container, back to default settings and health check button, add better line code in .css