K3s - lab helm

Different experiments with home k3s clusterk

• [x] setup argocd
• [x] create helm chart for grafana stack with otel elastic and prometheus
• [x] create helm chart with poc nginx
• [x] configure labels for prometheus
• [x] configure filebeat to properly discover container logs
• [ ] add bare metal agents
• [ ] add gpu nvidia vwms to run some "ai stuff" in cluster