Creates new conversation question.
|first_name||first name of the person that asked the question (optional, default: A shopper)|
|email of the person that asked the question|
|question||the question asked in this conversation|
By HTTP status:
- 202 Accepted - action was successful and question will be processed asynchronously
- 404 Not Found - TRKREF or SKU does no exist or you are not authorised to access it
- 422 Unprocessable Entity - there are some missing mandatory attributes (specified in response JSON)