Add website package and assets

packages/website/src/router.tsx

@@ -0,0 +1,15 @@
+import { createRouter } from '@tanstack/react-router'
+import { routeTree } from './routeTree.gen'
+
+export function getRouter() {
+  return createRouter({
+    routeTree,
+    scrollRestoration: true,
+  })
+}
+
+declare module '@tanstack/react-router' {
+  interface Register {
+    router: ReturnType<typeof getRouter>
+  }
+}