chore(docs): Generated API Reference (#4706)

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

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

@@ -1,5 +1,5 @@
 title: Line Item Tax Line
-description: Represents a Line Item Tax Line
+description: A Line Item Tax Line represents the taxes applied on a line item.
 type: object
 required:
   - code
@@ -33,7 +33,8 @@ properties:
     type: string
     example: item_01G8ZC9GWT6B2GP5FSXRXNFNGN
   item:
-    description: Available if the relation `item` is expanded.
+    description: The details of the line item.
+    x-expandable: item
     nullable: true
     type: object
   created_at:
@@ -50,3 +51,7 @@ properties:
     type: object
     example:
       car: white
+    externalDocs:
+      description: Learn about the metadata attribute, and how to delete and update it.
+      url: >-
+        https://docs.medusajs.com/development/entities/overview#metadata-attribute