feat: add certificate validation

lib/main.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_sp_social/presentation/home/home_page.dart';
-import 'package:flutter_sp_social/presentation/sorteio/sorteio_page.dart';
+
+import 'presentation/certificate/certificate_validation.dart';
+import 'presentation/home/home_page.dart';
+import 'presentation/sorteio/sorteio_page.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
@@ -16,17 +18,26 @@ class MyApp extends StatelessWidget {
       debugShowCheckedModeBanner: false,
       title: 'Flutter SP Social',
       theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(
-            seedColor: const Color.fromARGB(255, 43, 140, 220)),
+        colorScheme: ColorScheme.fromSeed(seedColor: const Color.fromARGB(255, 43, 140, 220)),
         useMaterial3: true,
       ),
       onGenerateRoute: (settings) {
-        switch (settings.name) {
+        String route = settings.name ?? '/';
+        if (route == '/') {
+          String? path = Uri.base.pathSegments.firstOrNull;
+          route = path ?? route;
+        }
+
+        switch (route) {
           case 'sorteio':
             return MaterialPageRoute(
               builder: (context) => const SorteioPage(),
             );
-          case '/':
+          case 'certificate':
+            return MaterialPageRoute(
+              builder: (context) => const CertificateValidation(),
+            );
+          case 'home':
           default:
             return MaterialPageRoute(
               builder: (context) => const HomePage(),

lib/presentation/certificate/certificate_validation.dart

@@ -0,0 +1,42 @@
+import 'package:easy_web_view/easy_web_view.dart';
+import 'package:flutter/material.dart';
+
+class CertificateValidation extends StatefulWidget {
+  const CertificateValidation({super.key});
+
+  @override
+  State<CertificateValidation> createState() => _CertificateValidationState();
+}
+
+class _CertificateValidationState extends State<CertificateValidation> {
+  late final String certValidation;
+  final ValueKey key = const ValueKey('key_0');
+
+  @override
+  void initState() {
+    super.initState();
+
+    certValidation = '${Uri.base.origin}/static/cert_validation.html';
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Validação de Certificado'),
+        leading: IconButton(
+          onPressed: () {
+            Navigator.pushNamed(context, 'home');
+          },
+          icon: const Icon(Icons.home),
+        ),
+      ),
+      body: EasyWebView(
+        src: certValidation,
+        key: key,
+        width: MediaQuery.of(context).size.width,
+        height: MediaQuery.of(context).size.height,
+      ),
+    );
+  }
+}

lib/presentation/home/home_page.dart

@@ -34,6 +34,7 @@ class _HomePageState extends State<HomePage> {
 
           return Scaffold(
               appBar: AppBar(
+                automaticallyImplyLeading: false,
                 title: Text(
                   _store.value!.eventName,
                   style: Theme.of(context).textTheme.headlineSmall!.copyWith(