chore(docs): Updated API Reference (v2) (#9437)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/api-reference/specs/admin/components/schemas/BaseExchangeItem.yaml

@@ -1,5 +1,5 @@
 type: object
-description: The additional item's additional items.
+description: The item's details.
 x-schemaName: BaseExchangeItem
 required:
   - id
@@ -13,33 +13,33 @@ properties:
   id:
     type: string
     title: id
-    description: The additional item's ID.
+    description: The item's ID.
   exchange_id:
     type: string
     title: exchange_id
-    description: The additional item's exchange id.
+    description: The ID of the exchange this item belongs to.
   order_id:
     type: string
     title: order_id
-    description: The additional item's order id.
+    description: The ID of the order this item belongs to.
   item_id:
     type: string
     title: item_id
-    description: The additional item's item id.
+    description: The ID of the item in the order.
   quantity:
     type: number
     title: quantity
-    description: The additional item's quantity.
+    description: The item's quantity.
   metadata:
     type: object
-    description: The additional item's metadata.
+    description: The item's metadata, can hold custom key-value pairs.
   created_at:
     type: string
     format: date-time
     title: created_at
-    description: The additional item's created at.
+    description: The date the item was created.
   updated_at:
     type: string
     format: date-time
     title: updated_at
-    description: The additional item's updated at.
+    description: The date the item was updated.