Get analytics stats

curl --request GET \
  --url https://api.wacht.dev/analytics \
  --header 'Authorization: <api-key>'

{
  "unique_signins": 1250,
  "signups": 150,
  "organizations_created": 25,
  "workspaces_created": 45,
  "total_signups": 5000,
  "unique_signins_change": 15.5,
  "signups_change": 8.3,
  "organizations_created_change": -5.2,
  "workspaces_created_change": 12,
  "recent_signups": [
    {
      "user_id": "1234567890123456789",
      "email": "user@example.com",
      "first_name": "John",
      "last_name": "Doe",
      "signed_up_at": "2024-01-15T10:30:00Z",
      "method": "password"
    }
  ],
  "recent_signins": [
    {
      "user_id": "1234567890123456789",
      "user_email": "user@example.com",
      "signed_in_at": "2024-01-15T10:30:00Z",
      "method": "password",
      "ip_address": "192.168.1.1",
      "user_agent": "Mozilla/5.0..."
    }
  ]
}