Get application health and version

{
  "service": "reactive-resume",
  "version": "<string>",
  "revision": "<string>",
  "status": "healthy",
  "timestamp": "2026-08-10T12:00:00Z",
  "uptime": "<string>",
  "database": {
    "status": "healthy",
    "latencyMs": 1,
    "error": "<string>"
  },
  "storage": {
    "status": "healthy",
    "latencyMs": 1,
    "error": "<string>"
  }
}

{
  "service": "reactive-resume",
  "version": "<string>",
  "revision": "<string>",
  "status": "healthy",
  "timestamp": "2026-08-10T12:00:00Z",
  "uptime": "<string>",
  "database": {
    "status": "healthy",
    "latencyMs": 1,
    "error": "<string>"
  },
  "storage": {
    "status": "healthy",
    "latencyMs": 1,
    "error": "<string>"
  }
}