feat(js-sdk,types,medusa): add list locales store method to JS SDK (#14314)

* feat(js-sdk,types,medusa): add list locales store method to JS SDK

* add missing locale parameter

packages/medusa/src/api/store/locales/route.ts

@@ -1,7 +1,11 @@
 import { MedusaRequest, MedusaResponse } from "@medusajs/framework/http"
 import { ContainerRegistrationKeys } from "@medusajs/framework/utils"
+import { HttpTypes } from "@medusajs/framework/types"
 
-export const GET = async (req: MedusaRequest, res: MedusaResponse) => {
+export const GET = async (
+  req: MedusaRequest, 
+  res: MedusaResponse<HttpTypes.StoreLocaleListResponse>
+) => {
   const query = req.scope.resolve(ContainerRegistrationKeys.QUERY)
 
   const {