Create contact

curl --location 'https://app.fieldinsight.com/public-api//contacts/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "external_id": "CONTACT-1001",
    "first_name": "Oliver",
    "last_name": "Bennett",
    "business_name": "Northwind HVAC Services",
    "mobile_number": "+61 412 345 678",
    "landline_number": "+61 7 3123 4567",
    "email": "oliver.bennett@hvac.example.com",
    "cc_email_list": [
        "dispatch@hvac.example.com"
    ],
    "address": "12 Cooling Way, Brisbane QLD 4000",
    "notes": "Prefers contact before 9am.",
    "custom_fields": [
        {
            "field": "1",
            "value": "Morning"
        }
    ]
}'