Save the username and password, show an alert to prove it.

src/App.tsx

@@ -22,7 +22,9 @@ const App = () => {
 				//setUsers(data)
 			});
 	};
-
+	const doLogin = (username: string, password: string) => {
+		alert("I be authin '" + username)
+	};
 	const loadAuth = () => {
 		const auth = localStorage.getItem("auth");
 		if (!auth) return;
@@ -40,7 +42,7 @@ const App = () => {
 
 	return (
 		<div className="App">
-			{state ? <p>{state.username}</p> : <AuthModal doLogin={() => alert("login")}></AuthModal>}
+			{state ? <p>{state.username}</p> : <AuthModal doLogin={doLogin}></AuthModal>}
 		</div>
 	);
 };