update README

ospabhost/frontend/vite.config.ts

@@ -1,7 +1,11 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import { copyFileSync } from 'fs'
-import { resolve } from 'path'
+import { dirname, resolve } from 'path'
+import { fileURLToPath } from 'url'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = dirname(__filename)
 
 // https://vite.dev/config/
 export default defineConfig({