docs: update imports of middlewares and http types (#9440)

www/apps/book/app/customization/custom-features/api-route/page.mdx

@@ -27,7 +27,7 @@ Create the file `src/api/admin/brands/route.ts` with the following content:
 import {
   MedusaRequest,
   MedusaResponse,
-} from "@medusajs/medusa"
+} from "@medusajs/framework/http"
 import { 
   CreateBrandInput, 
   createBrandWorkflow,

www/apps/book/app/customization/customize-admin/route/page.mdx

@@ -39,7 +39,7 @@ Create the file `src/api/admin/brands/route.ts` with the following content:
 import {
   MedusaRequest,
   MedusaResponse,
-} from "@medusajs/medusa"
+} from "@medusajs/framework/http"
 import { BRAND_MODULE } from "../../../modules/brand"
 import BrandModuleService from "../../../modules/brand/service"
 

www/apps/book/app/customization/extend-models/query-linked-records/page.mdx

@@ -49,7 +49,7 @@ export const highlights = [
 import {
   MedusaRequest,
   MedusaResponse,
-} from "@medusajs/medusa"
+} from "@medusajs/framework/http"
 import {
   ContainerRegistrationKeys,
 } from "@medusajs/framework/utils"

www/apps/book/app/customization/integrate-systems/handle-event/page.mdx

@@ -170,7 +170,7 @@ To handle the `brand.created` event, create a subscriber at `src/subscribers/bra
 import type {
   SubscriberConfig,
   SubscriberArgs,
-} from "@medusajs/medusa"
+} from "@medusajs/framework"
 import { syncBrandToSystemWorkflow } from "../workflows/sync-brand-to-system"
 
 export default async function brandCreatedHandler({