ISTWCMS-3711 Create anchor link block

source/_patterns/04-components/anchor-link/_anchor-link.scss

+.uw-anchor {
+  width: 100%;
+
+  &__url {
+    text-align: center;
+  }
+}

source/_patterns/04-components/anchor-link/anchor-link.md

+---
+el: .uw-anchor
+title: Anchor link
+---
+
+__Variables:__
+* anchor_link: [array] Variables for anchor link.
+    * anchor: [string] Anchor element.
+    * anchor_url: [string] Current page url for anchor element.
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source/_patterns/04-components/anchor-link/anchor-link.twig

+<div class="uw-anchor">
+  {% if anchor_link.anchor %}
+  <a href="{{ anchor_link.url ~ anchor_link.anchor }}" class="uw-anchor__url">
+  Click here
+  </a>
+  {% endif %}
+</div>
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source/_patterns/04-components/anchor-link/anchor-link.yml

+anchor_link:
+  anchor: 'caption-image-link'
+  url: 'https://d8/fdsu4/#'
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