Expand to support Bundle Items in QBO

[thelontx]

Request from EOSC - Drew Robinson.

QBO allows a "bundle" of products to be defined as a single product. For example: a) core membership; b) training manual; etc. Adding that single "bundle" has the effect of adding the list of sub-products to an invoice.

For EOSC, this allows them to use a simple invoice from WA and turn it into a complex invoice inside QBO.

From a technical QBO perspective, specifying a "bundle" item (via Make.com / API) requires a slightly different approach than a standard product/item.

Several possible approaches:

1. Make.com logic that searches each product first to determine the type of product and then adjusting the invoice creation appropriately. CON: this approach increases the operations count for every invoice.
2. Additional configuration settings to define if the QBO product is a bundle item or standard item. MAke.com scenario uses this setting to adjust the invoice creation logic. CON: changes to config data structure and mapping guide.