docs(readme,landing): introduce the desktop app (#201)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

packages/landing/scripts/postbuild.mjs

@@ -16,7 +16,7 @@
 import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
 import { dirname, join } from "node:path";
 import { fileURLToPath } from "node:url";
-import { absoluteUrl, blogRoutes } from "./site-routes.mjs";
+import { absoluteUrl, blogRoutes, pageRoutes } from "./site-routes.mjs";
 
 const dist = join(dirname(fileURLToPath(import.meta.url)), "..", "dist");
 const shell = readFileSync(join(dist, "index.html"), "utf8");
@@ -43,7 +43,7 @@ function shellFor(route) {
     .replace(OG_URL, `<meta property="og:url" content="${url}" />`);
 }
 
-const routes = blogRoutes();
+const routes = [...pageRoutes(), ...blogRoutes()];
 for (const { route } of routes) {
   const dir = join(dist, route);
   mkdirSync(dir, { recursive: true });
@@ -52,6 +52,4 @@ for (const { route } of routes) {
 
 writeFileSync(join(dist, "404.html"), shell.replace(CANONICAL, ""));
 writeFileSync(join(dist, ".nojekyll"), "");
-console.log(
-  `[postbuild] wrote ${routes.length} blog route shells, dist/404.html and dist/.nojekyll`,
-);
+console.log(`[postbuild] wrote ${routes.length} route shells, dist/404.html and dist/.nojekyll`);

packages/landing/scripts/site-routes.mjs

@@ -59,6 +59,13 @@ function newestDate(dir, slug) {
  * that actually answers 200 — the one canonical tags and the sitemap should name.
  * The home page is excluded; Vite's own index.html already sits at the dist root.
  */
+
+/** Non-blog landing SPA pages (currently the desktop download page). */
+export function pageRoutes() {
+  return [{ route: "/download/" }];
+}
+
+/** Blog routes, one per post plus the list page. */
 export function blogRoutes() {
   return [
     { route: "/blog/" },