fix: update Dockerfile and remove .next from git

app/(marketing)/layout.tsx

@@ -0,0 +1,16 @@
+import Navbar from "@/components/Navbar";
+import Footer from "@/components/Footer";
+
+export default function MarketingLayout({
+    children,
+}: Readonly<{
+    children: React.ReactNode;
+}>) {
+    return (
+        <>
+            <Navbar />
+            {children}
+            <Footer />
+        </>
+    );
+}