attempt fix upload

ui/src/app/api/hf-hub/route.ts

@@ -1,6 +1,7 @@
 import { NextRequest, NextResponse } from 'next/server';
 import { whoAmI, createRepo, uploadFiles, datasetInfo } from '@huggingface/hub';
-import { readdir, stat, readFile } from 'fs/promises';
+import { readdir, stat } from 'fs/promises';
+import { createReadStream } from 'fs';
 import path from 'path';
 
 export async function POST(request: NextRequest) {
@@ -73,8 +74,7 @@ export async function POST(request: NextRequest) {
           };
 
           const addUploadFile = async (absolutePath: string, repoFilePath: string) => {
-            const buffer = await readFile(absolutePath);
-            addUploadContent(repoFilePath, buffer);
+            addUploadContent(repoFilePath, createReadStream(absolutePath));
           };
 
           const walkDirectory = async (basePath: string, repoPrefix: string) => {