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

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

docs/api/admin/paths/customer-groups_{id}.yaml

@@ -10,15 +10,17 @@ delete:
       description: The ID of the Customer Group
       schema:
         type: string
+  x-codegen:
+    method: delete
   x-codeSamples:
     - lang: JavaScript
       label: JS Client
       source:
-        $ref: ../code_samples/JavaScript/customer-groups_{id}/deleteundefined
+        $ref: ../code_samples/JavaScript/customer-groups_{id}/delete.js
     - lang: Shell
       label: cURL
       source:
-        $ref: ../code_samples/Shell/customer-groups_{id}/deleteundefined
+        $ref: ../code_samples/Shell/customer-groups_{id}/delete.sh
   security:
     - api_token: []
     - cookie_auth: []
@@ -65,15 +67,18 @@ get:
       description: (Comma separated) Which fields should be included in the customer group.
       schema:
         type: string
+  x-codegen:
+    method: retrieve
+    queryParams: AdminGetCustomerGroupsGroupParams
   x-codeSamples:
     - lang: JavaScript
       label: JS Client
       source:
-        $ref: ../code_samples/JavaScript/customer-groups_{id}/getundefined
+        $ref: ../code_samples/JavaScript/customer-groups_{id}/get.js
     - lang: Shell
       label: cURL
       source:
-        $ref: ../code_samples/Shell/customer-groups_{id}/getundefined
+        $ref: ../code_samples/Shell/customer-groups_{id}/get.sh
   security:
     - api_token: []
     - cookie_auth: []
@@ -115,15 +120,17 @@ post:
       application/json:
         schema:
           $ref: ../components/schemas/AdminPostCustomerGroupsGroupReq.yaml
+  x-codegen:
+    method: update
   x-codeSamples:
     - lang: JavaScript
       label: JS Client
       source:
-        $ref: ../code_samples/JavaScript/customer-groups_{id}/postundefined
+        $ref: ../code_samples/JavaScript/customer-groups_{id}/post.js
     - lang: Shell
       label: cURL
       source:
-        $ref: ../code_samples/Shell/customer-groups_{id}/postundefined
+        $ref: ../code_samples/Shell/customer-groups_{id}/post.sh
   security:
     - api_token: []
     - cookie_auth: []