[Feature] One script install microk8s PrimeHub single node cluster.

[LiuYuWei]

Signed-off-by: simonliu1 simonliu@infuseai.io

command line:

$ cp -r ./primehub/install/microk8s-single-node/ ~
$ chmod -R 777 ~/microk8s-install-primehub/
$ ~/microk8s-install-primehub/microk8s-install-primehub.sh <Cluster-url> <Keycloak-password> <PrimeHub-password>

PR checklist

• [ X ] Ensure you have added or ran the appropriate tests for your PR.
• [ X ] DCO signed

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- Easy way to install PrimeHub:
$ cp -r ./primehub/install/microk8s-single-node/ ~
$ chmod -R 777 ~/microk8s-install-primehub/
$ ~/microk8s-install-primehub/microk8s-install-primehub.sh <Cluster-url> <Keycloak-password> <PrimeHub-password>

[jimmyliao]

Could follow some common convention: function name should be lower case, underscore.

[LiuYuWei]

@jimmyliao I finish arranging the code. Please check it. Thanks!

[jimmyliao]

@jimmyliao I finish arranging the code. Please check it. Thanks!

suggest use function_name instead of function-name