Updated footer

Author: rcastley

layouts/partials/menu-footer.html

@@ -13,7 +13,8 @@
   #footer p {
     margin: 0;
   }
+
 </style>
-<p><a href="https://splunk.com" title="Splunk">&copy; {{ time.Now | time.Format "2006" }} Splunk Inc. All Rights Reserved</a></p>
+<p><a href="https://splunk.com" title="Splunk">&copy; 2005 - {{ time.Now | time.Format "2006" }} Splunk Inc. All rights reserved.</a></p>
 <br>
 <img src="https://img.shields.io/github/v/release/splunk/observability-workshop?label=Workshop Version&color=e20082">