Update to latest example-appstore structure with custom apps

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

apps/cloudbeaver/docker-compose.json

@@ -0,0 +1,24 @@
+{
+  "services": [
+    {
+      "name": "cloudbeaver",
+      "image": "dbeaver/cloudbeaver:25.2.5",
+      "isMain": true,
+      "internalPort": 8978,
+      "extraHosts": [
+        "host.docker.internal:host-gateway"
+      ],
+      "environment": {
+        "CB_SERVER_NAME": "CloudBeaver",
+        "CB_ADMIN_NAME": "admin",
+        "CB_ADMIN_PASSWORD": "admin"
+      },
+      "volumes": [
+        {
+          "hostPath": "${APP_DATA_DIR}/data",
+          "containerPath": "/opt/cloudbeaver/workspace"
+        }
+      ]
+    }
+  ]
+}