Add support for business units.

examples/resources/commercetools_business_unit/resource.tf

@@ -0,0 +1,57 @@
+resource "commercetools_business_unit_company" "acme_company" {
+    key              = "acme-company"
+    name             = "The ACME Company"
+    status           = "Active"
+    contact_email    = "acme@example.com"
+
+    store {
+        key = "acme-usa"
+        type_id = "store"
+    }
+
+    store {
+        key = "acme-germany"
+        type_id = "store"
+    }
+
+    address {
+        key                     = "acme-business-unit-address"
+        title                   = "Acme Business Unit Address"
+        salutation              = "Mr."
+        first_name              = "John"
+        last_name               = "Doe"
+        street_name             = "Main Street"
+        street_number           = "1"
+        additional_street_info  = "Additional Street Info"
+        postal_code             = "12345"
+        city                    = "Berlin"
+        region                  = "Berlin"
+        country                 = "DE"
+        company                 = "Acme"
+        department              = "IT"
+        building                = "Building"
+        apartment               = "Apartment"
+        po_box                  = "P.O. Box"
+        phone                   = "123456789"
+        mobile                  = "987654321"
+    }
+
+    default_shipping_address_id     = "acme-business-unit-address"
+    default_billing_address_id      = "acme-business-unit-address"
+}
+
+resource "commercetools_business_unit_division" "acme-willie-coyote" {
+    key              = "acme-willie-coyote"
+    name             = "Willie Coyote - Traps for Roadrunners"
+    status           = "Active"
+    contact_email    = "acme-traps@example.com"
+    store_mode       = "FromParent"
+    associate_mode   = "ExplicitAndFromParent"
+
+    // Only available for division business units as the Company
+    // business unit has no parent unit and must always be the Top Level Unit.
+    parent_unit {
+        key         = commercetools_business_unit_company.acme-company.key
+        type_id     = "company"
+    }
+}

internal/provider/provider.go

@@ -20,6 +20,7 @@ import (
 	datasourcetype "github.com/labd/terraform-provider-commercetools/internal/datasource/type"
 	"github.com/labd/terraform-provider-commercetools/internal/resources/associate_role"
 	"github.com/labd/terraform-provider-commercetools/internal/resources/attribute_group"
+	"github.com/labd/terraform-provider-commercetools/internal/resources/business_unit"
 	"github.com/labd/terraform-provider-commercetools/internal/resources/product_selection"
 	"github.com/labd/terraform-provider-commercetools/internal/resources/project"
 	"github.com/labd/terraform-provider-commercetools/internal/resources/state"
@@ -196,5 +197,7 @@ func (p *ctProvider) Resources(_ context.Context) []func() resource.Resource {
 		attribute_group.NewResource,
 		associate_role.NewResource,
 		product_selection.NewResource,
+		business_unit.NewCompanyResource,
+		business_unit.NewDivisionResource,
 	}
 }