feat: added hook for createApiKeysWorkflow (#10909)

* added hook for createApiKeysWorkflow

* fix types

* fixed typings for createApiKeysWorkflow

packages/core/core-flows/src/api-key/workflows/create-api-keys.ts

@@ -2,6 +2,7 @@ import { ApiKeyDTO, CreateApiKeyDTO } from "@medusajs/framework/types"
 import {
   WorkflowData,
   WorkflowResponse,
+  createHook,
   createWorkflow,
 } from "@medusajs/framework/workflows-sdk"
 import { createApiKeysStep } from "../steps"
@@ -49,9 +50,15 @@ export const createApiKeysWorkflowId = "create-api-keys"
  */
 export const createApiKeysWorkflow = createWorkflow(
   createApiKeysWorkflowId,
-  (
-    input: WorkflowData<CreateApiKeysWorkflowInput>
-  ): WorkflowResponse<CreateApiKeysWorkflowOutput> => {
-    return new WorkflowResponse(createApiKeysStep(input))
+  (input: WorkflowData<CreateApiKeysWorkflowInput>) => {
+    const apiKeys = createApiKeysStep(input)
+
+    const apiKeysCreated = createHook("apiKeysCreated", {
+      apiKeys,
+    })
+
+    return new WorkflowResponse(apiKeys, {
+      hooks: [apiKeysCreated],
+    })
   }
 )