[FEATURE] Improve resources_test in the package config

[Grifs]

Feature summary

Optionally one or more:

• Add functionality to fetch resources during viash ns test. Probably need a flag to enable/disable this.
• Change underlying code structure from list of strings to list of resources (or list of repositories)
• ...

Feature description

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Why is this feature beneficial?

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Alternatives considered

No response

Possible solution

No response

Confirmation

• I have searched the existing issues to make sure this is not a duplicate request.
• I have provided clear and concise information about the feature.