Get task analytics for a date range

curl --request GET \
  --url https://znift.com/api/v1/tasks/analytics \
  --header 'x-api-key: <api-key>'

{
  "totalTasks": 123,
  "completedTasks": 123,
  "completionRate": 123,
  "currentStreak": 123,
  "priorityBreakdown": {},
  "dailyStats": [
    {
      "date": "<string>",
      "total": 123,
      "completed": 123
    }
  ]
}