creation important files

lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:bowl_in/views/welcome_screen.dart';
 import 'package:flutter/material.dart';
 
 void main() {
@@ -24,7 +25,7 @@ class MyApp extends StatelessWidget {
         // is not restarted.
         primarySwatch: Colors.blue,
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const WelcomeScreen(),
     );
   }
 }

lib/views/welcome_screen.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+class WelcomeScreen extends StatelessWidget {
+  const WelcomeScreen({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      children: [
+        Positioned(
+          bottom: 0,
+            child: Image(
+                width: MediaQuery.of(context).size.width,
+            image: AssetImage("assets/images/background_welcomepage.png"))),
+      ],
+    );
+  }
+}

pubspec.yaml

@@ -60,9 +60,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
+  assets:
+    - assets/images/
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware