feat: Sprint 0 — project scaffold, DB schema, Zustand stores, base UI components

components/ui/Card.tsx

@@ -0,0 +1,9 @@
+import { View, ViewProps } from 'react-native';
+
+export function Card({ children, className = '', ...props }: ViewProps & { className?: string }) {
+  return (
+    <View className={`bg-white rounded-2xl p-4 shadow-sm ${className}`} {...props}>
+      {children}
+    </View>
+  );
+}