Redesign landing page and add Caddy deployment for nomadro.com

Co-authored-by: Cursor <cursoragent@cursor.com>

app/layout.tsx

@@ -1,28 +1,39 @@
 import "./globals.css";
 
-import { type Metadata } from "next";
+import { type Metadata, type Viewport } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 
+export const viewport: Viewport = {
+  width: "device-width",
+  initialScale: 1,
+  maximumScale: 5,
+  viewportFit: "cover",
+  themeColor: "#f8f7fc",
+};
+
 export const metadata: Metadata = {
+  metadataBase: new URL("https://nomadro.com"),
   title: "Nomadro | 中文数字游民操作系统",
   description:
-    "从城市、技能、工具到社群，一站开始你的数字游民生活。探索城市、学习路径、会员社区，帮你从固定工位走向自由生活与自由收入。",
+    "从城市探索到远程收入，从 AI 自动化到直播变现。游民导航、地理套利、直播工具箱，一站开启你的自由生活。",
   keywords: [
     "数字游民",
     "远程工作",
     "旅居",
     "自由职业",
-    "城市探索",
+    "直播工具箱",
+    "地理套利",
     "学习路径",
     "会员社区",
   ],
   openGraph: {
     title: "Nomadro | 中文数字游民操作系统",
     description:
-      "从城市、技能、工具到社群，一站开始你的数字游民生活。",
+      "从城市探索到远程收入，从 AI 自动化到直播变现，一站开启你的自由生活。",
     type: "website",
+    url: "https://nomadro.live",
   },
-  icons: [{ rel: "icon", url: "/nomadro.ico" }],
+  icons: [{ rel: "icon", url: "/favicon.ico" }],
 };
 
 const geist = Geist({