4.3.21-beta: Fix datatables css

• Add DisplayTable pagination
  AdminDisplay::table()->paginate(10)->....
• Add navbar nav with @yield sections navbar and navbar.right
  use view composer to inject data

view()->composer(AdminTemplate::getTemplateViewPath('_partials.header'), function($view) {
    $view->getFactory()->inject(
        'navbar.right', view('auth.partials.navbar')
    );
});

• Add css table colors .table-primary .table-info .table-success .table-danger .table-warning
• Fix datatables styles
• Fix metisMenu assets library path
• Remove .idea directory