Update all ArgoCD Application references to use Gitea (github0213.com) instead of GitHub for K3S-HOME/observability repository. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add Thanos Query, Store Gateway, Compactor - Enable Prometheus Sidecar with S3 (MinIO) storage - Configure OCI registry for Bitnami chart - Fix Vault secret path and image settings - Add nodeSelector for master node
- Add Thanos Query, Store Gateway, Compactor - Enable Prometheus Sidecar with S3 (MinIO) storage - Configure Prometheus replicas: 2 with pod anti-affinity - Add ExternalSecrets for MinIO credentials - Retention: raw 7d, 5m downsampled 30d, 1h downsampled 90d
