build(*): Ensure build works on netlify

vite.config.ts

@@ -3,5 +3,10 @@ import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
 
 export default defineConfig({
-	plugins: [tailwindcss(), sveltekit()]
+	plugins: [tailwindcss(), sveltekit()],
+	build: {
+		rollupOptions: {
+			external: ['ws']
+		}
+	}
 });