Fix CSS stylesheet loading: Correct base path for GitHub Pages

- Set base to '/js-learning-lab/' to match GitHub Pages subdirectory
- CSS and JS now load from correct paths: /js-learning-lab/assets/
- This should resolve the stylesheet loading error

Author: SyntaxSidekick

vite.config.js

@@ -4,7 +4,7 @@ import react from '@vitejs/plugin-react'
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
-  base: '/',
+  base: '/js-learning-lab/',
   build: {
     outDir: 'dist',
     assetsDir: 'assets',