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

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

packages/docs/src/components/nav.tsx

@@ -104,6 +104,9 @@ export function Nav({
       <a href={`${SITE_URL}blog`} className={deskLinkCls(false)} onMouseEnter={slideTo}>
         {S.nav.blog}
       </a>
+      <a href={`${SITE_URL}download`} className={deskLinkCls(false)} onMouseEnter={slideTo}>
+        {S.nav.download}
+      </a>
       {/* "Docs" is this SPA's own root — a router Link, and always the current page. */}
       <Link to="/" className={deskLinkCls(true)} onMouseEnter={slideTo} aria-current="page">
         {S.nav.docs}

packages/docs/src/lib/strings-en.ts

@@ -13,6 +13,7 @@ export const en: Strings = {
     contract: "CONTRACT.md",
     features: "Features",
     blog: "Blog",
+    download: "Download",
     docs: "Docs",
     github: "GitHub",
     openMenu: "Open navigation",

packages/docs/src/lib/strings.ts

@@ -19,6 +19,7 @@ export const zh = {
     contract: "CONTRACT.md",
     features: "功能",
     blog: "博客",
+    download: "下载",
     docs: "文档",
     github: "GitHub",
     openMenu: "打开目录",