Updated README to document registry authentication setup using REGISTRY_USERNAME and REGISTRY_TOKEN configured in repo settings. Also removed debug info from workflow step name.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Add simple Node.js Hello World application with automated Docker build and
push workflow using Gitea Actions. The workflow builds and pushes images to
the Gitea registry with versioning from package.json.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>