Add kubevirt_controller integration (#18186)

* initial scaffolding

* report kubevirt_controller.can_connect metric

* report kubevirt_controller metrics

* add kube_cluster_name, kube_namespace, kube_pod_name tags to all metrics

* update spec.yaml and ddev validate config and models

* disable TLS verify

* update README

* refactor / cleanup

* ddev validate

* update manifest.json

* fix title and description

* delete dashboard file

* fix changelog

* add e2e tests

* Update README.md

* Apply suggestions from code review

Co-authored-by: Jen Gilbert <[email protected]>

* apply suggestions

* fix spec.yaml and sync config files

* Apply suggestions from code review

Co-authored-by: Jen Gilbert <[email protected]>

* ddev validate ci

* rename Kubevirt Controller -> KubeVirt Controller

* rename Kubevirt to KubeVirt

* remove time.sleeps from dd_environment setup

* remove kube_cluster_name

* remove kube_cluster_name from tests, cleanup check.py with the suggestions from other PR

* remove unecessary line

* remove IMAGES_README.md

* ddev validate ci

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Co-authored-by: Jen Gilbert <[email protected]> df19af5