Supplier FAX type

Update to Supplier Payment Types

A new payment method has been added to the supplier settings payment types: Fax.
This type takes one field only which is the fax number field.

"paymentTypes": [
		{
		    "enabled": true,
        "fax": 8989889898 //Fax number is required
        "type": "Fax"
		}
	]