ui improvements for trips and landmarks

frontend/lib/pages/profile.dart

@@ -2,6 +2,7 @@ import 'package:anyway/structs/preferences.dart';
 import 'package:flutter/material.dart';
 
 
+bool debugMode = false;
 
 class ProfilePage extends StatefulWidget {
   @override
@@ -12,6 +13,27 @@ class _ProfilePageState extends State<ProfilePage> {
   Future<UserPreferences> _prefs = loadUserPreferences();
 
 
+  Widget debugButton() {
+    return Padding(
+      padding: EdgeInsets.only(top: 20),
+      child: Row(
+        children: [
+          Text('Debug mode'),
+          Switch(
+            value: debugMode,
+            onChanged: (bool? newValue) {
+              setState(() {
+                debugMode = newValue!;
+              });
+            }
+          )
+        ],
+      )
+    );
+  }
+
+
+
   @override
   Widget build(BuildContext context) {
     return ListView(
@@ -36,7 +58,8 @@ class _ProfilePageState extends State<ProfilePage> {
           ),
         ),
 
-        FutureBuilder(future: _prefs, builder: futureSliders)
+        FutureBuilder(future: _prefs, builder: futureSliders),
+        debugButton()
       ]
     );
   }
@@ -59,7 +82,6 @@ class _ProfilePageState extends State<ProfilePage> {
 }
 
 
-
 class PreferenceSliders extends StatefulWidget {
   final List<SinglePreference> prefs;