Migrate remaining 4 apps: example-apache-volume-claim, registry, pushgateway, immich

Apps migrated in this commit:
- example-apache-volume-claim (test namespace, 2 replicas, 1 PVC)
- registry (infra namespace, Docker registry, 1 PVC)
- pushgateway (monitoring namespace, Prometheus metrics)
- immich (multi-component: server, postgres, valkey, ML)

Also:
- Deleted unused example-apache directory
- Updated all Justfiles with ArgoCD commands
- All apps synced and healthy

Progress: 16/22 active apps (73%)

Remaining apps (all in monitoring namespace):
- prometheus (kube-prometheus-stack)
- loki (umbrella chart)
- tempo
- grafana-ingress

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

1 files changed, 0 insertions, 12 deletions

diff --git a/f3s/example-apache/Justfile b/f3s/example-apache/Justfile
deleted file mode 100644
index 579b925..0000000
--- a/f3s/example-apache/Justfile
+++ /dev/null
@@ -1,12 +0,0 @@
-NAMESPACE := "test"
-RELEASE_NAME := "example-apache"
-CHART_PATH := "./helm-chart"
-
-install:
-    helm install {{RELEASE_NAME}} {{CHART_PATH}} --namespace {{NAMESPACE}} --create-namespace
-
-upgrade:
-    helm upgrade {{RELEASE_NAME}} {{CHART_PATH}} --namespace {{NAMESPACE}}
-
-delete:
-    helm uninstall {{RELEASE_NAME}} --namespace {{NAMESPACE}}