better help and onboarding

frontend/lib/pages/new_trip_location.dart

@@ -1,5 +1,5 @@
-import 'package:anyway/modules/new_trip_button.dart';
 import 'package:anyway/modules/new_trip_options_button.dart';
+import 'package:anyway/pages/base_page.dart';
 import 'package:flutter/material.dart';
 
 import "package:anyway/structs/trip.dart";
@@ -19,23 +19,28 @@ class _NewTripPageState extends State<NewTripPage> {
   final TextEditingController lonController = TextEditingController();
   Trip trip = Trip();
 
+
   @override
   Widget build(BuildContext context) {
     // floating search bar and map as a background
-    return Scaffold(
-      appBar: AppBar(
-        title: const Text('New Trip'),
+    return BasePage(
+      mainScreen: Scaffold(
+        body: Stack(
+          children: [
+            NewTripMap(trip),
+            Padding(
+              padding: EdgeInsets.all(15),
+              child: NewTripLocationSearch(trip),
+            ),
+          ],
+        ),
+        floatingActionButton: NewTripOptionsButton(trip: trip),
       ),
-      body: Stack(
-        children: [
-          NewTripMap(trip),
-          Padding(
-            padding: EdgeInsets.all(15),
-            child: NewTripLocationSearch(trip),
-          ),
-        ],
-      ),
-      floatingActionButton: NewTripOptionsButton(trip: trip),
+      title: Text("New Trip"),
+      helpTexts: [
+        "Setting the start location",
+        "To set the starting point, type a city name in the search bar. You can also navigate the map like you're used to and long press anywhere to set a starting point."
+      ],
     );
   }
 }