quite a few UX improvements

frontend/lib/pages/no_trips_page.dart

@@ -0,0 +1,50 @@
+import 'package:anyway/pages/new_trip_location.dart';
+import 'package:flutter/material.dart';
+
+import 'package:anyway/layouts/scaffold.dart';
+class NoTripsPage extends StatefulWidget {
+  const NoTripsPage({super.key});
+
+  @override
+  State<NoTripsPage> createState() => _NoTripsPageState();
+}
+
+class _NoTripsPageState extends State<NoTripsPage> with ScaffoldLayout {
+  @override
+  Widget build(BuildContext context) => mainScaffold(
+    context,
+    child: Scaffold(
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text(
+              "No trips yet",
+              style: Theme.of(context).textTheme.headlineMedium,
+            ),
+            Text(
+              "You can start a new trip by clicking the button below",
+              style: Theme.of(context).textTheme.bodyMedium,
+            ),
+          ],
+        ),
+      ),
+      floatingActionButton: FloatingActionButton.extended(
+        onPressed: () {
+          Navigator.of(context).push(
+            MaterialPageRoute(
+              builder: (context) => const NewTripPage()
+            )
+          );
+        },
+        label: const Row(
+          children: [
+            Text("Start planning!"),
+            Padding(padding: EdgeInsets.only(right: 8.0)),
+            Icon(Icons.map_outlined)
+          ],
+        )
+      )
+    )
+  );
+}