create GameResultView with basic structure and styling

lib/presentation/views/main_menu/game_result_view.dart

@@ -0,0 +1,57 @@
+import 'package:flutter/material.dart';
+import 'package:game_tracker/core/custom_theme.dart';
+import 'package:game_tracker/presentation/widgets/buttons/custom_width_button.dart';
+
+class GameResultView extends StatefulWidget {
+  const GameResultView({super.key});
+
+  //TODO: Handle given game
+
+  @override
+  State<GameResultView> createState() => _GameResultViewState();
+}
+
+class _GameResultViewState extends State<GameResultView> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: CustomTheme.backgroundColor,
+      appBar: AppBar(
+        backgroundColor: CustomTheme.backgroundColor,
+        scrolledUnderElevation: 0,
+        title: const Text(
+          'Game Result',
+          style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+        ),
+        centerTitle: true,
+      ),
+      body: SafeArea(
+        child: Container(
+          margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
+          padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 10),
+          decoration: BoxDecoration(
+            color: CustomTheme.boxColor,
+            border: Border.all(color: CustomTheme.boxBorder),
+            borderRadius: BorderRadius.circular(12),
+          ),
+          child: const Column(
+            mainAxisAlignment: MainAxisAlignment.start,
+            children: [
+              Text(
+                "Select Winner",
+                style: const TextStyle(
+                  fontSize: 18,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+              //TODO: Add FutureBuilder
+              //TODO: Implement ListView.builder with RadioListTiles and Players from Game
+              //TODO Implement Save button with snackbar to confirm save/show error
+              CustomWidthButton(text: "Save", sizeRelativeToWidth: 0.95),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}