Sign up should also sign in

src/components/contexts/UserContext.jsx

@@ -54,6 +54,7 @@ export const UserProvider = ({ children }) => {
     return auth.signUp(username, password)
       .then((result) => {
         if (result.message) throw new Error(result.message);
+        return signIn(username, password);
       })
       .catch((error) => {
         setError(error.message);