feat(hedgedoc): Move Hedgedoc to Kubernetes

apps/base/hedgedoc/ca.yaml

apps/base/hedgedoc/database.yaml

apps/base/hedgedoc/kustomization.yaml

apps/base/hedgedoc/monitoring.yaml

apps/base/hedgedoc/namespace.yaml

apps/base/hedgedoc/networkpolicy.yaml

apps/base/hedgedoc/release.yaml

apps/k8s01/hedgedoc/certificate.yaml

apps/k8s01/hedgedoc/database-override.yaml

apps/k8s01/hedgedoc/hedgedoc-values.yaml

apps/k8s01/hedgedoc/kustomization.yaml

apps/k8s01/hedgedoc/slo.yaml

charts/hedgedoc/.helmignore

charts/hedgedoc/Chart.lock

charts/hedgedoc/Chart.yaml

charts/hedgedoc/charts/postgresql-11.9.13.tgz

charts/hedgedoc/templates/NOTES.txt

charts/hedgedoc/templates/_helpers.tpl

charts/hedgedoc/templates/configmap.yaml

charts/hedgedoc/templates/deployment.yaml