PING more than one IP/host

[flow23]

Is your feature request related to a problem? If so, please describe the problem.
It would be nice to define the IP/host per PING in theme.yaml instead of config.yaml.

Describe the feature / solution to your problem you'd like
STATS: PING: INTERVAL: 5 HOST: 10.0.1.1 GRAPH: SHOW: True

Describe alternatives you've considered / and or tested
N/A

Screenshots / photos & mockups of the Turing screen
N/A

Environment:
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Additional context
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