deploy: add cluster values in helm directory

helm/porthole/values-cluster.yaml

@@ -0,0 +1,19 @@
+# Cluster-specific values for porthole deployment
+
+global:
+  tailscale:
+    tailnetFQDN: "taildb3494.ts.net"
+
+secrets:
+  postgres:
+    password: "eIXuJEnRWuAs8AafqU3CWJ7Y4CgNAFQ"
+  minio:
+    accessKeyId: "FwGiBwCXKuQdthR1QLa"
+    secretAccessKey: "OtmAz9m7o941wG1Gms2yItyqxd6gCWY8k4LJVBX"
+
+# Temporarily disable apps until registry is resolved
+# TODO: Set up proper container registry or use external registry
+web:
+  enabled: false
+worker:
+  enabled: false