KAT-50: Corrected the first RaisedButton to page Ambulatory.dart

rescueapp/lib/main.dart

 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:rescueapp/Ambulatory.dart';
 import 'package:rescueapp/SpontaneousBreathingPresent.dart';
 
 
@@ -46,7 +47,7 @@ class MyHomePage extends StatelessWidget {
                   onPressed: () {
                   Navigator.push(
                     context,
-                    MaterialPageRoute(builder: (context) => SpontaneousBreathingPresent()),
+                    MaterialPageRoute(builder: (context) => Ambulatory()),
                             );
                           },
                         ))