Updated Demo (#2360)

examples/mem0-demo/app/assistant.tsx

@@ -85,9 +85,13 @@ export const Assistant = () => {
               onClick={toggleDarkMode}
               aria-label="Toggle theme"
             >
-              {isDarkMode ? <Sun className="w-5 h-5" /> : <Moon className="w-5 h-5" />}
+              {isDarkMode ? <Sun className="w-6 h-6" /> : <Moon className="w-6 h-6" />}
             </button>
             <GithubButton url="https://github.com/mem0ai/mem0/tree/main/examples" />
+
+            <Link href={"https://app.mem0.ai/"} target="_blank" className="py-2 ml-2 px-4 font-semibold dark:bg-zinc-100 dark:hover:bg-zinc-200 bg-zinc-800 text-white rounded-full hover:bg-zinc-900 dark:text-[#475569]">
+              Save Memories
+            </Link>
           </div>
         </header>