Add very rudimentary backup monitoring

[Kidswiss]

This adds a backup monitoring via jobs. It alerts if there's a job that has failed in any of the AppCat namespaces.

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• [x] The PR has a meaningful title. It will be used to auto generate the changelog. The PR has a meaningful description that sums up the change. It will be linked in the changelog.
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[Kidswiss]

Why don't we add this in the appcat common package?

Common is a library and doesn't produce any files by itself.