fix: back add cors

Express/barAndCafe/src/app.ts

@@ -1,11 +1,13 @@
 import { getCity, getRadius, getPoiId, getBox } from "./openTripMaps"
 import express from "express"
+import cors from "cors"
 /**
  * Initialize Express application instance.
  * @returns An initialized Express application object.
  */
 const app = express()
 
+app.use(cors())
 
 
 /**