fixing build and upgrading dependencies

svelte.config.js

@@ -1,7 +1,8 @@
 import { mdsvex } from "mdsvex";
 import mdsvexConfig from "./mdsvex.config.js";
 import adapter from "@sveltejs/adapter-static";
-import { vitePreprocess } from "@sveltejs/kit/vite";
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
+
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
@@ -15,7 +16,10 @@ const config = {
     // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
     // If your environment is not supported or you settled on a specific environment, switch out the adapter.
     // See https://kit.svelte.dev/docs/adapters for more information about adapters.
-    adapter: adapter({ pages: "dist" }),
+    adapter: adapter({ 
+      precompress: true,
+      pages: "dist",
+    }),
     alias: {
       $data: "src/data",
     }