🐛 fix dashboard default datasource

🐛 fix dashboard labels and name

✨ add optional Grafana dashboard

✨ add optional ServiceMonitor

feat: simple mtr-exporter chart (#84)

based on https://github.com/mgumz/mtr-exporter and ghcr.io/mgumz/mtr-exporter

Fix pod annotations/labels (#78)

Add ability to attach custom pod labels (#77)

Add role to README, bump version

fix: use semverCompare

update probe references everywhere (#30)