Enhance Shopify order queries with complete order data including line items

- Updated GET_ORDER query to include comprehensive order information:
  - Complete line items with product and variant details
  - Shipping and billing addresses
  - Fulfillment tracking information
  - Payment transactions and refunds
  - Tax lines and discount allocations
  - All financial breakdowns (subtotal, shipping, tax, discounts)

- Updated LIST_ORDERS query to include:
  - Line items with product information
  - Order status and fulfillment details
  - Customer and shipping information
  - Essential financial data

This provides complete order data including all items, customer info, shipping details, and fulfillment tracking when retrieving orders.

Author: seynadio