updated css

made all buttons not have  a weird blue border when getting clicked on.
Home page css -> removed endShop button.
removed button

removed the #endShopButton - not needed any more.
create catalog toggling on homepage

this on click function shows the catalog, and also hides all other main
page elements. Furthermore, it will also send an ajax request for data
to populate dropdown menus.
add @yeild('js') - laravel blade

added an option for sub-views to inherit the @yeild js method within
the main layout.