create remix project

docs/app/routes/index.tsx

@@ -0,0 +1,16 @@
+import { readFile } from "fs/promises"
+import { json, LoaderFunction, useLoaderData } from "remix"
+
+export const loader: LoaderFunction = async () => {
+  const docs = await readFile("app/docs.json", "utf8")
+  return json(JSON.parse(docs))
+}
+
+export default function Index() {
+  const data = useLoaderData()
+  return (
+    <main>
+      <pre>{JSON.stringify(data, undefined, 2)}</pre>
+    </main>
+  )
+}