Update kube-dashboard.md (#169)

The latest update of kubernetes dashboard has introduced a change in how to install it. Details here: https://github.com/kubernetes/dashboard/releases/tag/v3.0.0-alpha0

Signed-off-by: matslovdahl <mats.lovdahl@gmail.com>

docs/installation/kube-dashboard.md

@@ -10,7 +10,7 @@ This installation guide will help you to deploy and configure the [Kubernetes Da
 ```bash
 GITHUB_URL=https://github.com/kubernetes/dashboard/releases
 VERSION_KUBE_DASHBOARD=$(curl -w '%{url_effective}' -I -L -s -S ${GITHUB_URL}/latest -o /dev/null | sed -e 's|.*/||')
-sudo k3s kubectl create -f https://raw.githubusercontent.com/kubernetes/dashboard/${VERSION_KUBE_DASHBOARD}/aio/deploy/recommended.yaml
+sudo k3s kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/${VERSION_KUBE_DASHBOARD}/charts/kubernetes-dashboard.yaml
 ```
 
 ### Dashboard RBAC Configuration