fisrt three screens

lib/screens/splash_screen.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_native_splash/flutter_native_splash.dart';
+import 'onboarding_screen.dart';
+
+class SplashScreen extends StatefulWidget {
+  const SplashScreen({super.key});
+
+  @override
+  State<SplashScreen> createState() => _SplashScreenState();
+}
+
+class _SplashScreenState extends State<SplashScreen> {
+  @override
+  void initState() {
+    super.initState();
+    FlutterNativeSplash.remove();
+
+    Future.delayed(const Duration(seconds: 2), () {
+      Navigator.pushReplacement(
+        context,
+        MaterialPageRoute(builder: (_) => OnboardingScreen()),
+      );
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Container(
+        decoration: BoxDecoration(
+          image: DecorationImage(
+            image: AssetImage("assets/images/splash.png"),
+            fit: BoxFit.cover,
+          ),
+        ),
+        child: Center(child: Image.asset("assets/images/logo.png", width: 200)),
+      ),
+    );
+  }
+}