fix changes

delivery_fee/models.py

delivery_fee/templates/C_delivery_fee.html

delivery_fee/templates/R_delivery_fee.html

delivery_fee/templates/U_delivery_fee.html

delivery_fee/views.py

food/views.py

food_ingredient/urls.py

food_ingredient/views.py

ingredient/__init__.py

ingredient/admin.py

ingredient/apps.py

ingredient/migrations/__init__.py

ingredient/models.py

ingredient/templates/c_ingredient.html

ingredient/templates/r_ingredient.html

ingredient/tests.py

ingredient/urls.py

ingredient/views.py

...action_courier/templates/r_order_transaction_courier.html

order_transaction_courier/urls.py