KAT-58: Adding the import for the following page Circulation.dart and the...

KAT-58: Adding the import for the following page Circulation.dart and the activation of the button <= 30 to navigate to to it.

rescueapp/lib/start_triage_system/breathing_frequency_per_minute.dart

 import 'package:flutter/material.dart';
+import 'Circulation.dart';
 
 class BreathingFrequencyPerMinute extends StatefulWidget {
   BreathingFrequencyPerMinute({Key key, this.title}) : super(key: key);
@@ -112,7 +113,7 @@ class _BreathingFrequencyPerMinuteState
                                 fontWeight: FontWeight.w600,
                                 color: Colors.blue[900])),
                         color: Colors.blue,
-                        onPressed: null ))),
+                        onPressed: null))),
             SizedBox(
               height: 10,
             ),
@@ -127,7 +128,13 @@ class _BreathingFrequencyPerMinuteState
                                 fontWeight: FontWeight.w600,
                                 color: Colors.blue[900])),
                         color: Colors.blue,
-                        onPressed: null ))),
+                        onPressed: () {
+                          Navigator.push(
+                            context,
+                            MaterialPageRoute(
+                                builder: (context) => CapillaryFillingTime()),
+                          );
+                        }))),
             SizedBox(
               height: 70,
             ),