Add labels to the results

[Issif]

This PR contains 1 enhancement

Enhancement

The results now contains labels like HTTP Status Code for the http probes, it allows to display it in the card of the UI:

This is more convenient than expanding the error message, and allows to search for particular error codes in the JSON results.

[!NOTE] This PR follows the PR #28 with another method to add "Labels, the context is now used to pass labels from to the result.

[!NOTE] This PR also contains the changes from #29