Added Lasso instructions for DS6 opt in

docs/_includes/adapters.html

@@ -9,5 +9,6 @@ <h3>Skin Large</h3>
 
     <h3>Skin DS</h3>
     <p>Skin has the capability to switch between previous, current and upcoming design systems at a component level.</p>
-    <p>More information coming soon.</p>
+    <p>To opt into the upcoming design system (<a href="ds6">DS6</a>), Lasso.js requires the <span class="highlight">skin-ds6</span> flag. Please note that not all modules are available in DS6 yet.</p>
+    <p><strong>IMPORTANT:</strong> There are some differences between design system versions, in terms of HTML structure and class names, so be sure to reference the appropriate documentation. In general we try to minimise these differences, but in some cases it cannot be avoided.</p>
 </div>