chugging away, no i am not splitting this into fine-grained commits

_includes/header.njk

@@ -0,0 +1,22 @@
+<header>
+
+  <a href="#main" id="skip" title="skip to main content" aria-label="skip to main content">
+    <i class="fa-solid fa-forward" aria-hidden="true"></i> skip
+  </a>
+
+  <nav aria-label="main navigation">
+    <ul>
+      {% for entry in collections.all | eleventyNavigation %}
+      <li>
+        <a href="{{ entry.url }}" title="{{ entry.data.label }}"
+        {% if entry.url == page.url %}aria-current="page"{% endif %}
+        aria-label="{{ entry.data.label }}">
+          <i class="{{ entry.data.icon }}" aria-hidden="true"></i>
+          <span class="menu-text">{{ entry.title }}</span>
+        </a>
+      </li>
+      {% endfor %}
+    </ul>
+  </nav>
+
+</header>