adding businessUnits to ProjectApiRoot

Author: ShipilA

commercetools/commercetools-sdk-java-importapi/src/main/java/com/commercetools/importapi/client/ProjectApiRoot.java

@@ -117,6 +117,11 @@ public ByProjectKeyProductSelectionsRequestBuilder productSelections() {
         return with().productSelections();
     }
 
+    @Override
+    public ByProjectKeyBusinessUnitsRequestBuilder businessUnits() {
+        return with().businessUnits();
+    }
+
     @Override
     public void close() {
         if (apiHttpClient == null) {

commercetools/commercetools-sdk-java-importapi/src/main/java/com/commercetools/importapi/client/ProjectScopedApiRoot.java

@@ -37,4 +37,6 @@ public interface ProjectScopedApiRoot {
     ByProjectKeyDiscountCodesRequestBuilder discountCodes();
 
     ByProjectKeyProductSelectionsRequestBuilder productSelections();
+
+    ByProjectKeyBusinessUnitsRequestBuilder businessUnits();
 }