Fix Discord links
Fix Discord links

Fix #3446
ryankanno/cookiecutter-django,ryankanno/cookiecutter-django,trungdong/cookiecutter-django,trungdong/cookiecutter-django,ryankanno/cookiecutter-django,trungdong/cookiecutter-django,ryankanno/cookiecutter-django,trungdong/cookiecutter-django