Add navbar link to rancher.com

docusaurus.config.js

@@ -78,6 +78,11 @@ module.exports = {
           position: 'right',
           className: 'navbar__github',
         },
+        {
+          href: 'https://rancher.com',
+          label: 'Rancher Home',
+          position: 'right',
+        },
         {
           type: 'docsVersionDropdown',
           position: 'left',