add landingpage

svelte.config.js

@@ -0,0 +1,10 @@
+import adapter from '@sveltejs/adapter-auto';
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+  kit: {
+    adapter: adapter()
+  },
+  preprocess: vitePreprocess()
+};
+export default config;