post https://api.merits.com/v2/fields
Creates a Field for an Org using information about the Field and returns the Field.
Error Codes
field_name_length_exceeded: The Field name provided is longer than the maximum length allowed for Field names
field_name_in_use_by_global_field: The Field name provided conflicts with a global Field
field_name_in_use_by_org: The Field name provided conflicts with another Field created by this Organization