fix: set GitHub Pages base path to /react-javascript-api/

The Vite base still pointed at the old repo name, causing 404s for JS/CSS on Pages. Also copy index.html to 404.html so client-side routes work on direct navigation.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: PatriciaGea

vite.config.js

@@ -1,8 +1,19 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
+import { copyFileSync } from 'node:fs'
+import { resolve } from 'node:path'
 
 // https://vite.dev/config/
 export default defineConfig(({ command }) => ({
-  plugins: [react()],
-  base: command === 'serve' ? '/' : '/React_Javascript_Api/'
+  plugins: [
+    react(),
+    {
+      name: 'gh-pages-spa-fallback',
+      closeBundle() {
+        const dist = resolve(__dirname, 'dist')
+        copyFileSync(resolve(dist, 'index.html'), resolve(dist, '404.html'))
+      },
+    },
+  ],
+  base: command === 'serve' ? '/' : '/react-javascript-api/',
 }))