chore(docs): Updated API Reference (v2) (#9174)

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

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

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

@@ -1,13 +1,13 @@
 type: object
-description: SUMMARY
+description: The details of the outbound items to add to the claim.
 x-schemaName: AdminPostClaimsAddItemsReqSchema
 properties:
   items:
     type: array
-    description: The claim's items.
+    description: The outbound item's details.
     items:
       type: object
-      description: The item's items.
+      description: An item's details.
       required:
         - variant_id
         - quantity
@@ -15,11 +15,11 @@ properties:
         variant_id:
           type: string
           title: variant_id
-          description: The item's variant id.
+          description: The ID of the associated product variant.
         quantity:
           type: number
           title: quantity
-          description: The item's quantity.
+          description: The quantity to send to the customer.
         unit_price:
           type: number
           title: unit_price
@@ -27,7 +27,7 @@ properties:
         internal_note:
           type: string
           title: internal_note
-          description: The item's internal note.
+          description: A note viewed only by admin users.
         metadata:
           type: object
-          description: The item's metadata.
+          description: The item's metadata, can hold custom key-value pairs.