fix: prerender for github pages

Author: neowsl

src/routes/+layout.ts

@@ -1 +1,2 @@
+export const prerender = true;
 export const ssr = false;

svelte.config.js

@@ -6,9 +6,7 @@ import { mdsvex } from "mdsvex";
 const config = {
     preprocess: [vitePreprocess(), mdsvex()],
     kit: {
-        adapter: adapter({
-            fallback: "200.html",
-        }),
+        adapter: adapter(),
         alias: {
             $features: "./src/features",
         },