Create a customer.

Example

  Modulr.Resources.Customer.create(%{
    expectedMonthlySpend: 20000,
    type: "INDIVIDUAL",
    tcsVersion: 1,
    associates: [%{
      applicant: true,
      type: "INDIVIDUAL",
      firstName: "Joe",
      lastName: "Bloggs",
      dateOfBirth: "1995-04-24",
      type: "INDIVIDUAL",
      email: "joe@bloggs.com",
      phone: "0123123123123",
      homeAddress: %{
        addressLine1: "1 Here Street",
        country: "GB",
        postCode: "L1 1AB",
        postTown: "London"
      }
    }]
  })