chore(docs): Generated API Reference (#3211)

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

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

@@ -2,45 +2,51 @@ title: Customer Group
 description: Represents a customer group
 type: object
 required:
+  - created_at
+  - deleted_at
+  - id
+  - metadata
   - name
+  - updated_at
 properties:
   id:
-    type: string
     description: The customer group's ID
+    type: string
     example: cgrp_01G8ZH853Y6TFXWPG5EYE81X63
   name:
-    type: string
     description: The name of the customer group
+    type: string
     example: VIP
   customers:
-    type: array
     description: >-
       The customers that belong to the customer group. Available if the relation
       `customers` is expanded.
-    items:
-      type: object
-      description: A customer object.
-  price_lists:
     type: array
+    items:
+      $ref: ./Customer.yaml
+  price_lists:
     description: >-
       The price lists that are associated with the customer group. Available if
       the relation `price_lists` is expanded.
+    type: array
     items:
       $ref: ./PriceList.yaml
   created_at:
-    type: string
     description: The date with timezone at which the resource was created.
+    type: string
     format: date-time
   updated_at:
-    type: string
     description: The date with timezone at which the resource was updated.
+    type: string
     format: date-time
   deleted_at:
-    type: string
     description: The date with timezone at which the resource was deleted.
+    nullable: true
+    type: string
     format: date-time
   metadata:
-    type: object
     description: An optional key-value map with additional details
+    nullable: true
+    type: object
     example:
       car: white