Revert "Revert "Docs Update""

_includes/sidebar.html

@@ -0,0 +1,18 @@
+<div class="sidebar">
+  <div class="sidebar--logo">
+    <a href="/">Liquid</a>
+  </div>
+  <nav class="sidebar--nav"> {% assign sections = "basics, tags, filters" | split: ", " %}
+
+    {% for section in sections %}
+    <h3 class="section__header">{{ section | capitalize }}</h3>
+
+    <ul class="section__links">
+    {% for item in site.pages %}{% if item.url contains section/ %}{% unless item.path contains "index" %}
+      <li><a href="{{ item.url | prepend: site.baseurl }}" class="section__link{% if item.url contains page.url and page.url != "/" %} section__link--is-active {% endif %}">{{ item.title }}</a></li>
+    {% endunless %}{% endif %}{% endfor %}
+    </ul>
+    {% endfor %}
+
+  </nav>
+</div>