app.kubernetes.io labels on every resource

[merlintang]

Part of #44 for graduation

Every resource that is part of the application should include the labels recommended by Kubernetes, currently:
app.kubernetes.io/name
app.kubernetes.io/instance
app.kubernetes.io/version
app.kubernetes.io/component
app.kubernetes.io/part-of
app.kubernetes.io/managed-by

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[merlintang]

@xfate123

[xfate123]

/assign

[terrytangyuan]

I think this is already done but please double check.

[merlintang]

en it seems this is fixed. can we update the graduate PR .s.t this point is fixed. #44

[terrytangyuan]

/assign

[terrytangyuan]

Done