Fix import path for vitePreprocess in svelte.config.js

Author: chrisreddington

possible-solution/client/svelte.config.js

@@ -1,5 +1,5 @@
 import adapter from '@sveltejs/adapter-auto';
-import { vitePreprocess } from '@sveltejs/kit/vite';
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {