Add support for closing curly braces and closing parenthesis

[adlondon]

Thanks for the great package, really useful for organizing larger files. I had an issue when sorting functions and const declarations, where any line with more than a single character gets sorted with the rest of its siblings.

Example:

export const createAddTrainersError = error => ({
  type: ADD_TRAINERS_ERROR,
  payload: error
});

function _updateUser(user) {
  return {
    type: UPDATE_USER,
    payload: user
  };
}

export const toggleModal = () => (dispatch) => {
  dispatch({
    type: ADD_TRAINER_TOGGLE_MODAL
  });
};

will be reformatted to:

export const createAddTrainersError = error => ({
  type: ADD_TRAINERS_ERROR,
  payload: error
export const toggleModal = () => (dispatch) => {
  dispatch({
    type: ADD_TRAINER_TOGGLE_MODAL
  });

function _updateUser(user) {
  return {
    type: UPDATE_USER,
    payload: user
  };
}

});
};

My somewhat messy solution was to change line 95 in the getTextBlocks function to:

if (line.trim().length === 1 || line[0] === '}' || line[0] === ')') {

Not sure what the most elegant way to handle something like this is. Happy to submit a PR if you are open to it or look into adding a keybinding that allows for this sort of thing.