feat: deploy Domain Scanner via Docker, not GeoExport mirror

Replace VPS install with docker compose + nginx. Add network export
module, Telegram bot footer card, and archive legacy site/ mirror.

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

src/app/page.tsx

@@ -1,19 +1,13 @@
 import { Hero } from "@/components/landing/hero";
 import { Features } from "@/components/landing/features";
+import { SiteFooter } from "@/components/layout/site-footer";
 
 export default function HomePage() {
   return (
     <>
       <Hero />
       <Features />
-      <footer className="border-t border-white/5 py-12 text-center text-sm text-zinc-500">
-        <p>Domain Scanner — self-hosted domain intelligence</p>
-        <p className="mt-2">
-          <a href="https://github.com/andrey271192/Domain_web" className="text-violet-400 hover:underline">
-            GitHub
-          </a>
-        </p>
-      </footer>
+      <SiteFooter />
     </>
   );
 }