Add observability stack with Grafana, Prometheus, Loki, and cAdvisor

- Introduced a new Grafana dashboard for monitoring Docker containers using cAdvisor.
- Created provisioning files for Grafana dashboards and data sources.
- Added Dockerfiles and configuration files for Loki and Prometheus.
- Implemented a Docker Compose stack for the observability services.
- Configured Traefik as a reverse proxy for the services with appropriate routing.
- Added scripts for SSH tunneling to access the telemetry dashboard.
- Included secrets management for Grafana admin credentials.

scripts/bind-telemetry.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Local port on your machine
+LOCAL_PORT=3030
+
+# Remote port on the server
+REMOTE_PORT=3030
+
+# SSH host alias defined in ~/.ssh/config
+SSH_ALIAS="hyntaria"
+
+echo "🔐 Establishing SSH tunnel: localhost:${LOCAL_PORT} → ${SSH_ALIAS}:localhost:${REMOTE_PORT}"
+echo "🌐 Access the telemetry dashboard at http://grafana.localhost:${LOCAL_PORT}"
+echo "Press Ctrl+C to close the tunnel."
+
+ssh -N -L ${LOCAL_PORT}:127.0.0.1:${REMOTE_PORT} ${SSH_ALIAS}
+
+