Build checkout page

golden-crust-bakery/package-lock.json

golden-crust-bakery/package.json

golden-crust-bakery/src/components/Header.jsx

golden-crust-bakery/src/components/ui/radio-group.jsx

golden-crust-bakery/src/main.jsx

golden-crust-bakery/src/pages/About.jsx

golden-crust-bakery/src/pages/Checkout.jsx