Format files to use python black style

.gitignore

README.md

run.py

seed_database.py

store/__init__.py

store/forms.py

store/models.py

store/site.db

store/templates/base.html

store/templates/itemSets.html

store/templates/userContent/ChangeEmail.html

store/templates/userContent/ChangePhNumber.html

store/templates/userContent/ChangeUsername.html

store/templates/userContent/account.html

store/templates/userContent/accountDetails.html

store/templates/userContent/address.html

store/templates/userContent/admin.html

store/templates/userContent/login.html

store/templates/userContent/register.html

store/templates/userContent/reset_password.html