I need a lean Flutter application that does one job very well: open our existing website inside a secure, full-screen WebView on both Android and iOS. I will supply the URL and the graphic assets. The build must include: • A splash screen that shows our company logo on a plain background before the WebView appears. • Proper status-bar colouring, safe-area handling and hardware back-button support so the app feels native. • High-resolution icons and any other required store artwork. • Code signing configurations (keystore, provisioning profile) and build outputs ready for direct upload to Google Play Console and Apple App Store Connect. • A concise README that covers local setup, environment variables, build commands and the exact steps I should follow to push future updates. Please keep the codebase clean, comment where it matters, and avoid unnecessary permissions or plugins. Once complete, deliver the full Flutter project folder alongside the signed release builds for both platforms and a short test report confirming that deep links, file uploads and basic navigation all work as expected.