added blank page for resources/links

Author: brandonferrua

app_modules/site/navigation/navigation.js

@@ -131,6 +131,10 @@ export default [
       {
         route: 'resources:tokens',
         label: 'Design Tokens'
+      },
+      {
+        route: 'resources:links',
+        label: 'Links'
       }
     ]
   },

app_modules/site/navigation/sitemap.js

@@ -56,6 +56,7 @@ export default new SitemapRouter().map(function () {
     this.route('downloads');
     this.route('icons');
     this.route('tokens');
+    this.route('links');
     this.route('branding');
     this.route('lightning-svg-icon-component-helper');
   });