feat: add models and module for ecommerce

[EmilePerron]

At the moment, the API client offers models and a client module for most modules and features, but it does not yet include functionality for the e-commerce endpoints and models.

• Models
  • Add Product model
  • Add ProductSKU model
  • Add Order model
  • Add OrderAmount model
  • Add OrderAddress model
  • Add OrderCustomerInfo model
  • Add OrderDownloadedFile model
  • Add OrderItemImage model
  • Add OrderPurchasedItem model
  • Add OrderExtra model
  • Add OrderTotals model
  • Add StripeDetails model
  • Add StripeCard model
  • Add InventoryItem model
  • Add EcommerceSettings model
• Module
  • List Products & SKUs (GET)
  • Create Product & SKU (POST)
  • Get Product and SKUs (GET)
  • Update Product (PATCH)
  • Create SKU (POST)
  • Update SKU (PATCH)
  • List Orders (GET)
  • Get Order (GET)
  • Update Order (PATCH)
  • Fulfill Order (POST)
  • Unfulfill Order (POST)
  • Refund Order (POST)
  • List Inventory (GET)
  • Update Item Inventory (PATCH)
  • Get Ecommerce settings (GET)

Webflow API documentation: https://developers.webflow.com/reference
Models documentation: https://developers.webflow.com/docs/models

[EmilePerron]

This is being worked on in PR #12.
Checked elements above reflect the progress inside of that PR.

[EmilePerron]

Hey folks! If you're looking to contribute for Hacktoberfest, this issue would be a great place to start!

Feel free to submit pull requests for parts of this issue, or even this entire issue if you have the time!

To help you get started, a WIP PR has already been created here: #12

You can take a look at this PR as well as the existing codebase for the other Webflow endpoints/modules to have an idea of how to get started.

You may also ask questions in here and I will do my best to answer as fast as possible :)