feat(backend): mount TfL routes in main app

Co-authored-by: Ona <no-reply@ona.com>

apps/backend/src/index.ts

@@ -2,6 +2,7 @@ import { Hono } from "hono"
 import { cors } from "hono/cors"
 import { logger } from "hono/logger"
 import weather from "./weather"
+import tfl from "./tfl"
 
 const app = new Hono()
 
@@ -19,6 +20,9 @@ app.get("/api/health", (c) => {
 // Mount weather routes
 app.route("/api/weather", weather)
 
+// Mount TfL routes
+app.route("/api/tfl", tfl)
+
 export default {
 	port: 8000,
 	fetch: app.fetch,