Add new video walk-through to README

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

README.md

@@ -194,18 +194,22 @@ arkade install inlets-operator \
 
 ### Tutorials & community blog posts
 
-Video review from Rancher Labs:
+#### Video review from Rancher Labs
 
 * [Tool of the Day with Adrian from Rancher Labs](https://youtu.be/IWtEtfpqoRg?t=1425)
 
-Featured:
+#### Watch a video walk-through by Alex Ellis
+
+[![](http://img.youtube.com/vi/8wU9s_mua8M/hqdefault.jpg)](https://www.youtube.com/watch?v=8wU9s_mua8M)
+
+#### Featured tutorials
 
 * [arkade by example — Kubernetes apps, the easy way 😎](https://medium.com/@alexellisuk/kubernetes-apps-the-easy-way-f06d9e5cad3c) - Alex Ellis
 * [Walk-through — install Kubernetes to your Raspberry Pi in 15 minutes](https://medium.com/@alexellisuk/walk-through-install-kubernetes-to-your-raspberry-pi-in-15-minutes-84a8492dc95a)
 * [Get a TLS-enabled Docker registry in 5 minutes](https://blog.alexellis.io/get-a-tls-enabled-docker-registry-in-5-minutes/) - Alex Ellis
 * [Get TLS for OpenFaaS the easy way with arkade](https://blog.alexellis.io/tls-the-easy-way-with-openfaas-and-k3sup/) - Alex Ellis
 
-Community posts:
+#### Community posts
 
 * [A bit of Istio before tea-time](https://blog.alexellis.io/a-bit-of-istio-before-tea-time/) - Alex Ellis
 * [Introducing Arkade - The Kubernetes app installer](https://blog.heyal.co.uk/introducing-arkade/) - Alistair Hey