Get remaining credits for the authenticated team

Example response

{
  "success": true,
  "data": {
    "remainingCredits": 1000,
    "planCredits": 500000,
    "billingPeriodStart": "2025-01-01T00:00:00Z",
    "billingPeriodEnd": "2025-01-31T23:59:59Z"
  }
}