fix readme link
fix readme link

HedgeHawk/colorchord,fungxu/colorchord,fungxu/colorchord,joinedforces/colorchord,joinedforces/colorchord,fungxu/colorchord,joinedforces/colorchord,HedgeHawk/colorchord,HedgeHawk/colorchord,joinedforces/colorchord,fungxu/colorchord,HedgeHawk/colorchord