Index: Add a no support notice for 1.x/2.x versions under Download

Author: mgol

pages/index.html

@@ -13,6 +13,7 @@
 				<span class="download"></span>
 				Download jQuery
 				<span>v3.2.1</span>
+				<span class="support-notice">The 1.x and 2.x branches no longer receive patches.</span>
 			</a>
 			<div class="download-options">
 				<a href="https://github.com/jquery/jquery">View Source on GitHub →</a>