Create schema.yaml

fix: api errors

fix: api views permissions

Update settings.py

chore: install django-heroku

fix: configure static

fix: update settings.py

fix: Update urls.py

fix: Update requirements.txt add gunicorn

chore: Update runtime.txt

doc: document apis

chore: setup for heroku deployment

feat: create api endpoints

feat: create serializers.py

feat: create Transaction and Wallet models