Create a VoiceLink client

curl --request POST \
  --url https://api.vocobase.com/api/v2/voicelink/clients \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "connection_id": "9b7f1c44-c87f-4f0c-9124-3c802a9c1a20",
  "first_name": "Acme",
  "last_name": "Sales",
  "username": "acme-sales",
  "email": "voice@example.com",
  "password": "temporary-client-password",
  "channel_count": 5,
  "phone": "+918011223344",
  "is_active": 1
}
'

{
  "success": true,
  "data": {}
}