Fix base path for custom domain deployment

Author: daniel4-scratch

vite.config.js

@@ -2,7 +2,7 @@ import { defineConfig } from 'vite'
 
 export default defineConfig({
   root: './src',
-  base: '/',
+  base: '/xtermtest/',
   server: {
     port: 3000,
     open: true