feat: auth pkg and file proxy scaffold

Co-authored-by: Ona <no-reply@ona.com>

apps/file-proxy/files.ts

@@ -0,0 +1,12 @@
+import { Hono } from "hono"
+
+const h = new Hono().basePath("/files")
+
+h.get("/:fileId", async (c) => {
+	const fileId = c.req.param("fileId")
+	if (!fileId) {
+		return c.json({ error: "File ID is required" }, 400)
+	}
+})
+
+export { h as files }