ISTWCMS-3948: adding site management and site content menu links

uw_cfg_common.links.menu.yml

@@ -93,3 +93,11 @@ uw_global_social_media.linkedin:
   menu_name: uw-menu-global-social-media
   url: https://www.linkedin.com/school/uwaterloo/
   weight: 5
+uw_site_management.menus:
+  title: 'Menus'
+  menu_name: uw-menu-site-management
+  route_name: entity.menu.collection
+uw_content_management.content_types:
+  title: 'Content types'
+  menu_name: uw-menu-content-management
+  route_name: entity.node_type.collection