Rename DeadMansSwitch to Watchdog

README.md

docs/developing-prometheus-rules-and-grafana-dashboards.md

examples/alertmanager-config.jsonnet

examples/alertmanager-config.yaml

examples/existingrule.json

examples/existingrule.yaml

examples/prometheus-additional-alert-rule-example.jsonnet

jsonnet/kube-prometheus/alertmanager/alertmanager.libsonnet

jsonnet/kube-prometheus/alerts/general.libsonnet