chore(docs): Generated API Reference (#2882)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

docs/api/admin/components/schemas/AdminPostDraftOrdersDraftOrderLineItemsReq.yaml

@@ -0,0 +1,20 @@
+type: object
+required:
+  - quantity
+properties:
+  variant_id:
+    description: The ID of the Product Variant to generate the Line Item from.
+    type: string
+  unit_price:
+    description: The potential custom price of the item.
+    type: integer
+  title:
+    description: The potential custom title of the item.
+    type: string
+    default: Custom item
+  quantity:
+    description: The quantity of the Line Item.
+    type: integer
+  metadata:
+    description: The optional key-value map with additional details about the Line Item.
+    type: object