Create a migration

curl --request POST \
  --url https://app.vern.so/api/v1/migrations \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "Acme Corp",
  "source": "Salesforce",
  "external_id": "acme-001",
  "templates": [
    "contacts"
  ]
}
'

{
  "migration": {
    "id": "c0a8012e-4f1b-4d3a-9b2c-7e6f5a4b3c2d",
    "name": "Acme Corp",
    "source": "Salesforce",
    "status": "awaiting_files",
    "templates": [
      {
        "slug": "contacts",
        "name": "Contacts"
      }
    ]
  }
}