feat: add mobile navigation menu to header layout

risk: low

Author: ParzivalPavlis

docs/layouts/partials/header-menu.html

@@ -0,0 +1,24 @@
+<nav class="gd-docs-header-nav__center gd-header" aria-label="Main">
+    <input type="checkbox" role="button" id="gd-header-mobile-menu-trigger-input" name="gd-header-mobile-menu-trigger-input" class="gd-header-mobile gd-header-mobile-menu-trigger-input" aria-label="Open navigation menu" aria-controls="gd-header-mobile-menu" aria-expanded="false">
+    <label tabindex="0" for="gd-header-mobile-menu-trigger-input" class="gd-header-mobile gd-header-mobile-menu-trigger"><span></span></label>
+    <ul class="gd-docs-header-nav__menu gd-header-links">
+        <li class="gd-docs-header-nav__menuitem gd-header-link-item gd-header-link-item-mobile-only">
+            <a href="https://www.gooddata.com/learn/" class="gd-docs-header-nav__menulink gd-header-link gd-header-link__main">Learn</a>
+        </li>
+        <li class="gd-docs-header-nav__menuitem gd-header-link-item">
+            <a href="https://university.gooddata.com/" class="gd-docs-header-nav__menulink gd-header-link">University</a>
+        </li>
+        <li class="gd-docs-header-nav__menuitem gd-header-link-item">
+            <a href="https://community.gooddata.com/" class="gd-docs-header-nav__menulink gd-header-link">Community</a>
+        </li>
+        <li class="gd-docs-header-nav__menuitem gd-header-link-item">
+            <a href="https://www.gooddata.com/docs/cloud/" class="gd-docs-header-nav__menulink gd-header-link gd-header-link__active">Documentation</a>
+        </li>
+        <li class="gd-docs-header-nav__menuitem gd-header-link-item">
+            <a href="https://support.gooddata.com/hc/en-us" class="gd-docs-header-nav__menulink gd-header-link">Support</a>
+        </li>
+        <li class="gd-docs-header-nav__menuitem gd-header-link-item gd-header-link-item-mobile-only">
+            <a href="https://www.gooddata.com/" class="button">Go to GoodData.com</a>
+        </li>
+    </ul>
+</nav>