move drupal modules to dev

sass/components/regions/_primary-menu.scss

+.layout__wrapper--primary-menu {
+  background: $near-white;
+}
+.layout__inner--primary-menu {
+  padding: 0 1.5rem !important;
+}

templates/navigation/menu--main.html.twig

+{{ attach_library('wcm8_theme/main-menu') }}
+{{ attach_library('wcm8_theme/a11yMenubar') }}
+{{ attach_library('wcm8_theme/hoverintent') }}
+
+{% include "@molecules/menus/main-menu/main-menu.twig" %}
\ No newline at end of file