misc: added requirements.txt for deployment

requirements.txt

+asgiref==3.6.0
+cowsay==5.0
+Django==4.1.7
+django-stubs==1.15.0
+django-stubs-ext==0.7.0
+mypy==1.0.1
+mypy-extensions==1.0.0
+python-dotenv==1.0.0
+sqlparse==0.4.3
+tomli==2.0.1
+types-pytz==2022.7.1.2
+types-PyYAML==6.0.12.8
+typing_extensions==4.5.0