Implement ecommerce api, just backend apis

• Run chmod +x entrypoint.sh to make entrypoint.sh can be executable.
• docker compose up -d to run containers and go to 127.0.0.1:8000 to test all apis.
• docker compose exec web python manage.py makemigrations to make a migration for all changes.
• docker compose exec web python manage.py migrate to apply all migrations to database.
• docker compose exec web python manage.py createsuperuser to create admin.
• docker compose exec db psql --username={dbusername} --dbname={databasename} to interact with database.

• Build comment feature to rating products.
• Add zalopay to payment method.
• Build front-end.
• Build chat service.