首页新增 what‘s new 入口，维护一个 changelog 文档

client/src/pages/Home.tsx

@@ -41,6 +41,7 @@ import {
   SquareArrowRightEnter,
   SquareArrowRightExit,
   FileMusic,
+  BookOpenCheck,
   Minus,
   Plus,
 } from "lucide-react";
@@ -884,6 +885,11 @@ export default function Home() {
               window.location.href = `https://am.luxsinaudio.com/x8/i.html?ip=${encodeURIComponent(target)}#/home`;
             }}
           />
+          <ListRow
+            icon={<BookOpenCheck size={18} />}
+            label={homeText.changelog ?? "更新说明"}
+            onClick={() => setLocation("/changelog")}
+          />
         </div>
       </div>