chore: switch to vite for server dev

server/dev-handler.ts

@@ -0,0 +1,7 @@
+import { createRequestHandler } from 'react-router'
+
+export default createRequestHandler(
+	// @ts-expect-error: React Router Vite plugin
+	() => import('virtual:react-router/server-build'),
+	'development'
+);