Added prompt and control widgets

- Updated iOS portion of project
- Always to default landscape

lib/control.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+
+class Control extends StatefulWidget {
+  Control({Key? key}) : super(key: key);
+
+  @override
+  State<StatefulWidget> createState() => _ControlState();
+}
+
+class _ControlState extends State<Control> {
+  double _currentValue = 50.0;
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        Text("1"),
+        Slider(
+          value: _currentValue,
+          onChanged: (newValue) {
+            setState(() {
+              _currentValue = newValue;
+              print(_currentValue);
+            });
+          },
+          min: 1.0,
+          max: 100.0,
+        ),
+        Text("100")
+      ],
+    );
+  }
+}

lib/main.dart

@@ -1,4 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:bullseye/prompt.dart';
+import 'package:bullseye/control.dart';
 
 void main() => runApp(BullsEyeApp());
 
@@ -6,6 +9,8 @@ class BullsEyeApp extends StatelessWidget {
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
+    SystemChrome.setPreferredOrientations(
+        [DeviceOrientation.landscapeLeft, DeviceOrientation.landscapeRight]);
     return MaterialApp(
       title: 'BullsEye',
       theme: ThemeData(
@@ -34,9 +39,8 @@ class _GamePageState extends State<GamePage> {
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            Text("Hello World!",
-                style: TextStyle(
-                    fontWeight: FontWeight.bold, color: Colors.green)),
+            Prompt(targetValue: 100),
+            Control(),
             TextButton(
                 child: Text('Hit me!'),
                 onPressed: () {

lib/prompt.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+
+class Prompt extends StatelessWidget {
+  Prompt({@required this.targetValue});
+  final int? targetValue;
+
+  @override
+  Widget build(BuildContext context) {
+    // TODO: implement build
+    return Column(
+      children: <Widget>[
+        Text("PUT THE BULLSEYE AS CLOSE YOU CAN TO"),
+        Text("$targetValue")
+      ],
+    );
+  }
+}