chore(docs): Updated API Reference (v2) (#9148)

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/BaseCustomer.yaml

@@ -0,0 +1,73 @@
+type: object
+description: The customer's details.
+x-schemaName: BaseCustomer
+required:
+  - id
+  - email
+  - default_billing_address_id
+  - default_shipping_address_id
+  - company_name
+  - first_name
+  - last_name
+  - addresses
+properties:
+  id:
+    type: string
+    title: id
+    description: The customer's ID.
+  email:
+    type: string
+    title: email
+    description: The customer's email.
+    format: email
+  default_billing_address_id:
+    type: string
+    title: default_billing_address_id
+    description: The ID of the address used as the default billing address.
+  default_shipping_address_id:
+    type: string
+    title: default_shipping_address_id
+    description: The ID of the address used as the default shipping address.
+  company_name:
+    type: string
+    title: company_name
+    description: The customer's company name.
+  first_name:
+    type: string
+    title: first_name
+    description: The customer's first name.
+  last_name:
+    type: string
+    title: last_name
+    description: The customer's last name.
+  addresses:
+    type: array
+    description: The customer's addresses.
+    items:
+      $ref: ./BaseCustomerAddress.yaml
+  phone:
+    type: string
+    title: phone
+    description: The customer's phone.
+  metadata:
+    type: object
+    description: The customer's metadata, used to store custom key-value pairs.
+  created_by:
+    type: string
+    title: created_by
+    description: The ID of the user that created this customer, if available.
+  created_at:
+    type: string
+    format: date-time
+    title: created_at
+    description: The customer's creation date.
+  updated_at:
+    type: string
+    format: date-time
+    title: updated_at
+    description: The customer's update date.
+  deleted_at:
+    type: string
+    format: date-time
+    title: deleted_at
+    description: The customer's deletion date.