Update to latest example-appstore structure with custom apps

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

apps/cistech-tunnel/docker-compose.json

@@ -0,0 +1,23 @@
+{
+  "services": [
+    {
+      "name": "cistech-tunnel",
+      "image": "cistech-vpn:latest",
+      "isMain": true,
+      "internalPort": 6902,
+      "privileged": true,
+      "capAdd": ["NET_ADMIN"],
+      "devices": ["/dev/net/tun:/dev/net/tun"],
+      "environment": {
+        "OC_URL": "${OC_URL}",
+        "OC_SERVERCERT": "${OC_SERVERCERT}",
+        "OC_USER": "${OC_USER}",
+        "VNC_PASSWORD": "${VNC_PASSWORD}",
+        "NOVNC_PORT": "6902"
+      },
+      "volumes": [
+        { "hostPath": "${APP_DATA_DIR}/data", "containerPath": "/root" }
+      ]
+    }
+  ]
+}