⬆️ Updated Svelte and config files to use Vite

frontend/vite.config.js

@@ -0,0 +1,15 @@
+import { sveltekit } from '@sveltejs/kit/vite';
+import { isoImport } from 'vite-plugin-iso-import';
+
+/** @type {import('vite').UserConfig} */
+const config = {
+	plugins: [sveltekit(), isoImport()],
+	optimizeDeps: {
+		include: ['swiper']
+	},
+	build: {
+		sourcemap: true
+	}
+};
+
+export default config;