Update app_scaffold.dart

added profile button

trackeroo/lib/app_scaffold.dart

@@ -23,10 +23,21 @@ class _AppScaffoldState extends State<AppScaffold> {
     return Scaffold(
       appBar: AppBar(
         title: const Text('Trackeroo',
-        style: TextStyle(color: Colors.black)),
-        backgroundColor: Colors.transparent,
-        bottomOpacity: 0.0,
+        style: TextStyle(
+            fontSize: 24.0,
+            fontWeight: FontWeight.bold
+          )
+        ),
         elevation: 0.0,
+        scrolledUnderElevation: 0.0,
+        actions: [
+          IconButton.filledTonal(
+            onPressed: () => {},
+            padding: const EdgeInsets.all(12.0),
+            icon: const Icon(Icons.person)
+          ),
+          const SizedBox(width: 16.0)
+        ],
       ),
       body: screens[index],
       bottomNavigationBar: NavigationBarTheme(