add radius route WIP

Express/barAndCafe/src/app.ts

@@ -1,4 +1,4 @@
-import { getCity } from "./openTripMaps"
+import { getCity, getRadius } from "./openTripMaps"
 import express from "express"
 /**
  * Initialize Express application instance.
@@ -54,4 +54,8 @@ app.get("/welcome", getWelcome)
  */
 app.get("/otm/city", getCity)
 
+
+//XXX: faire la doc SWAGGER
+app.get("/otm/radius", getRadius)
+
 export default app