feat: remove Welcome page and redirect to News; streamline routing

app/routes/_layout._index.tsx

@@ -1,14 +1,5 @@
-import { Welcome } from '~/pages/welcome'
+import { redirect } from 'react-router'
 
-import type { Route } from './+types/_layout._index'
-
-export function meta({}: Route.MetaArgs) {
-  return [
-    { title: 'New React Router App' },
-    { name: 'description', content: 'Welcome to React Router!' },
-  ]
-}
-
-export default function Home() {
-  return <Welcome />
+export async function loader() {
+  return redirect('/news')
 }