Add @Andrew-Chen-Wang to CONTRIBUTORS
Add @Andrew-Chen-Wang to CONTRIBUTORS

trungdong/cookiecutter-django,trungdong/cookiecutter-django,pydanny/cookiecutter-django,ryankanno/cookiecutter-django,luzfcb/cookiecutter-django,ryankanno/cookiecutter-django,ryankanno/cookiecutter-django,pydanny/cookiecutter-django,ryankanno/cookiecutter-django,luzfcb/cookiecutter-django,pydanny/cookiecutter-django,pydanny/cookiecutter-django,trungdong/cookiecutter-django,trungdong/cookiecutter-django,luzfcb/cookiecutter-django,luzfcb/cookiecutter-django