chore(wip): upgrade dependencies, begin refactor

frontend/lib/presentation/widgets/onboarding_card.dart

@@ -0,0 +1,45 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+
+class OnboardingCard extends StatelessWidget {
+  final String title;
+  final String description;
+  final String imagePath;
+
+  const OnboardingCard({super.key,
+    required this.title,
+    required this.description,
+    required this.imagePath,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+
+    return Padding(
+      padding: const EdgeInsets.all(20),
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Text(
+            title,
+            style: Theme.of(context).textTheme.headlineLarge!.copyWith(
+              color: Colors.white,
+            ),
+          ),
+          const Padding(padding: EdgeInsets.only(top: 20)),
+          SvgPicture.asset(
+            imagePath,
+            height: 200,
+          ),
+          const Padding(padding: EdgeInsets.only(top: 20)),
+          Text(
+            description,
+            style: Theme.of(context).textTheme.bodyMedium!.copyWith(
+              color: Colors.white,
+            ),
+          ),
+        ]
+      ),
+    );
+  }
+}