Ivan Fetch

I've added a new schema test which will fail until [Polaris PR 822](https://github.com/FairwindsOps/polaris/pull/822) is merged - fixing an issue with namespace filtering Kube resources for additional schema validation.

@makoscafee Thank you for the review. Let me know whether you have additional things you think I should address, or whether this is good to merge. > LGTM just wanted...

I'm waiting to merge this (making these checks live for the Polaris community) until a deeper round of initial testing has completed.