docs: document debugging workflows (#13087)

www/apps/book/app/learn/introduction/from-v1-to-v2/page.mdx

@@ -1082,7 +1082,7 @@ For example, if you extended the `CartService` in v1 to add items with custom pr
 import { 
   createWorkflow,
   transform,
-  WorkflowResponse
+  WorkflowResponse,
 } from "@medusajs/framework/workflows-sdk"
 import { addToCartWorkflow } from "@medusajs/medusa/core-flows"
 import { 
@@ -1223,7 +1223,7 @@ For example:
 ```ts title="src/workflows/hello-world.ts"
 import { 
   createWorkflow, 
-  WorkflowResponse
+  WorkflowResponse,
 } from "@medusajs/framework/workflows-sdk"
 
 export const helloWorldWorkflow = createWorkflow(