ISTWCMS-3505: adding code for UW header

templates/regions/region--header.html.twig

-{% embed '@layouts/header/header.twig' %}
-
-  {% block content %}
-    {{ content }}
-  {% endblock %}
-
-{% endembed %}
+{#
+/**
+ * @file
+ * Theme override to display a region.
+ *
+ * Available variables:
+ * - content: The content for this region, typically blocks.
+ * - attributes: HTML attributes for the region div.
+ * - region: The name of the region variable as defined in the theme's
+ *   .info.yml file.
+ *
+ * @see template_preprocess_region()
+ */
+#}
+{% embed '@layouts/header/header.twig' with {
+  'classes': classes
+}%}
+
+  {% block content %}
+    {{ content }}
+  {% endblock %}
+
+{% endembed %}

uw_fdsu_theme_resp.info.yml

@@ -75,6 +75,9 @@ regions:
 # patterns folder = `$sourceDir` + `_patterns/`
 
 component-libraries:
+  global:
+    paths:
+      - uw_wcms_gesso/source/_patterns/01-global
   base:
     paths:
       - uw_wcms_gesso/source/_patterns/02-base

uw_fdsu_theme_resp.theme

@@ -23,10 +23,10 @@ function uw_fdsu_theme_resp_preprocess_region(&$variables) {
   // (i.e. faculty colour and get the correct class here).
   if ($region == "header") {
     // The class that is used for the header.
-    $variables['attributes']['class'][] = 'header';
+    $variables['classes'][] = 'uw-header';
 
     // The colour scheme to be used for the header.
-    $variables['attributes']['class'][] = 'default';
+    $variables['classes'][] = 'default';
   }
 }