k8s/aux: add cert-manager longhorn dashboard forge dev-tools and shadowsocks

- cert-manager ClusterIssuers (LetsEncrypt + homelab-ca)
- Longhorn storage dashboard
- Portainer dashboard config
- Forgejo git service
- Claude terminal remote access
- Shadowsocks tunnel for remote access

k8s/dev-tools/templates/pvc.yaml

@@ -0,0 +1,15 @@
+{{- if .Values.persistence.enabled }}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "claude-terminal.fullname" . }}-pvc
+  labels:
+    {{- include "claude-terminal.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: {{ .Values.persistence.storageClass }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+{{- end }}