chore(docs): Updated API Reference (v2) (#8609)

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/paths/admin_customers.yaml

@@ -186,7 +186,32 @@ post:
     content:
       application/json:
         schema:
-          $ref: ../components/schemas/AdminCreateCustomer.yaml
+          description: SUMMARY
+          properties:
+            email:
+              type: string
+              title: email
+              description: The customer's email.
+              format: email
+            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.
+            phone:
+              type: string
+              title: phone
+              description: The customer's phone.
+            metadata:
+              type: object
+              description: The customer's metadata.
   x-codeSamples:
     - lang: Shell
       label: cURL
@@ -200,13 +225,7 @@ post:
       content:
         application/json:
           schema:
-            type: object
-            description: SUMMARY
-            required:
-              - customer
-            properties:
-              customer:
-                $ref: ../components/schemas/AdminCustomer.yaml
+            $ref: ../components/schemas/AdminCustomerResponse.yaml
     '400':
       $ref: ../components/responses/400_error.yaml
     '401':