fix footer nav links

Author: kameshsampath

supplemental-ui/partials/footer-nav.hbs

@@ -1,7 +1,7 @@
 <nav class="rhd-footer-nav" aria-label="Secondary Navigation" role="navigation">
   <ul class="rhd-menu">
     <li class="menu-item menu-item--expanded">
-      <h3 class="section-toggle">GitHub</h3>
+      <h3 class="section-toggle">Resources</h3>
       <ul class="rhd-menu">
         <li class="menu-item">
           <a href="https://github.com/redhat-developer-demos/knative-tutorial" title="Knative Tutorial">Knative
@@ -12,7 +12,7 @@
             Tracker</a>
         </li>
          <li class="menu-item">
-          <a href="https://github.com/openshift-cloud-functions/Documentation" title="Issue Tracker">OpenShift Cloud Functions</a>
+          <a href="https://www.openshift.com/learn/topics/serverless" title="OpenShift Serverless">OpenShift Serverless</a>
         </li>
       </ul>
     </li>