- Create Dockerfile for Nginx with envsubst for dynamic configuration.
- Add djmaster.conf.template for Nginx configuration with upstream services.
- Implement docker-entrypoint.sh to substitute environment variables in the Nginx config.
- Add README.md in nginx-examples for guidance on using the Nginx template.
- Include djmaster.conf.template in nginx-examples for local setup.
- Introduce utility functions for fetching YouTube video snippets and titles.
