docs: add links page

source/_pages/links.html.twig

@@ -0,0 +1,50 @@
+---
+title: Links
+links:
+  -
+    title: Twitter
+    url: '%site.twitter.url%'
+  -
+    title: YouTube
+    url: '%site.youtube.channel.url%'
+  -
+    title: LinkedIn
+    url: '%site.linkedin.url%'
+  -
+    title: Drupal.org
+    url: '%site.drupalorg.url%'
+  -
+    title: GitHub
+    url: '%site.github.url%'
+  -
+    title: GitHub Gists
+    url: '%site.github.gist.url%'
+  -
+    title: Packagist
+    url: '%site.packagist.url%'
+  -
+    title: Speakerdeck
+    url: '%site.speakerdeck.url%'
+  -
+    title: PHP South Wales
+    url: https://www.phpsouthwales.uk
+---
+
+<div class="max-w-md mx-auto">
+    <ul class="p-0 list-none space-y-4">
+        {% for link in page.links %}
+            <li>
+                <a
+                    class="
+                        w-full p-2 block border text-center no-underline text-black transition ease-in-out duration-200
+                        hover:text-white hover:bg-blue-primary focus:text-white focus:bg-blue-primary
+                        dark:text-white dark:hover:text-black dark:focus:text-black dark:hover:bg-white dark:focus:bg-white
+                    "
+                    href="{{ link.url }}?utm_source=oliverdavies.uk&utm_medium=links"
+                >
+                    {{ link.title }}
+                </a>
+            </li>
+        {% endfor %}
+    </ul>
+</div>