How do you use Redux Thunk for async actions? Redux Thunk से async actions कैसे use करें?

// Redux Thunk - middleware for async operations
function fetchUser(userId) {
  return dispatch => {
    dispatch({ type: 'FETCH_USER_REQUEST' });
    fetch(`/api/users/${userId}`)
      .then(res => res.json())
      .then(data => {
        dispatch({ type: 'FETCH_USER_SUCCESS', payload: data });
      })
      .catch(error => {
        dispatch({ type: 'FETCH_USER_ERROR', payload: error });
      });
  };
}

// Using
store.dispatch(fetchUser(1));