🔖 Release version 1.2.0

🙈 Add Pipfile.lock to gitignore

📝 Add docs for custom /app/nginx.conf

Add notes to README for Alpine 3.8

Update links to .zip project templates

Add attribution to @ronlut in README

Add notes to README.md with improvements from parent image

Implement USE_NGINX_WORKER_PROCESSES

Fix version number of example zip files

Add prestart.sh to What's new