fix: add base path for GitHub Pages deployment

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Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: nishad

vite.config.js

@@ -7,6 +7,7 @@ import { defineConfig } from "vite";
 import { svelte } from "@sveltejs/vite-plugin-svelte";
 
 export default defineConfig({
+  base: "/sql.js-httpvfs-playground/",
   plugins: [svelte()],
   optimizeDeps: {
     // Exclude sql.js-httpvfs from pre-bundling as it uses web workers