Add links to forum (#8945)

layouts/blog/baseof.html

@@ -26,6 +26,7 @@
 						<a class="widget-link" href="https://github.com/kubernetes/kubernetes"> <i class="fab fa-github-square fab-icon"></i> View on Github </a>
 						<a class="widget-link" href="http://slack.k8s.io"><i class="fab fa-slack fab-icon"> </i> #kubernetes-users </a>
 						<a class="widget-link" href="http://stackoverflow.com/questions/tagged/kubernetes"><i class="fab fa-stack-overflow fab-icon"></i> Stack Overflow</a>
+						<a class="widget-link" href="https://discuss.kubernetes.io"><i class="fab fa-discourse fab-icon"></i>Forum</a>
 						<a class="widget-link" href="http://get.k8s.io/"><i class="fab fa-stack-overflow fab-icon"></i> Download Kubernetes</a>
 					</div>
 					{{ partialCached "blog/archive.html" . }}
@@ -35,4 +36,4 @@
 		{{ partialCached "footer.html" . }}
 		{{ partialCached "footer-scripts.html" . }}
 	</body>
-</html>
+</html>