fix microk8s kubectl not working after install

This is caused when the .kube dir does not exist and copying
the kube config file fails during installation of microk8s.

install_microk8s.sh

@@ -3,10 +3,9 @@ set -x
 
 # create new microk8s instance
 sudo snap install microk8s --classic --channel=1.18/stable
+mkdir -p ~/.kube
 sudo microk8s config > ~/.kube/config
 sudo usermod -a -G microk8s $USER
 sudo chown -f -R $USER ~/.kube
 
-echo Exit and log in again
-
-
+echo "Exit and log in again"