[#73697050] Menu accordion component created

- programmatic support for accordion menu

[FIXED #73697050]
[FIXED #73604092] Login form
- center login form

[FIXED #73604006] Login screen
- header - show only the logo

[FIXED #73604052] Login screen - main menu
- main menu is not shown

[FIXED #73604146] Login screen - buttons
- set color of buttons