docs(nvm): Document nvm usage in Dockerfiles and CI/CD workflows

- Add comprehensive NVM usage section to README
- Document Dockerfile RUN command usage
- Document CI/CD workflow integration
- Explain nvm vs npmci comparison
- Add technical implementation notes to readme.hints.md
- Update changelog with v5.0.147 feature details

Includes:
- Direct nvm usage examples for Dockerfiles
- CI/CD workflow YAML examples
- Version persistence behavior documentation
- Multi-version testing examples
- Technical architecture details
- Maintenance guidelines

changelog.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## 2025-10-26 - 5.0.147 - feat(nvm)
+Enable full nvm support in Docker builds and CI/CD workflows
+
+- Added global nvm configuration in /etc/bash.bashrc (prepended before interactive check)
+- Created bash-with-nvm wrapper for Dockerfile RUN commands
+- Added intelligent ENTRYPOINT for runtime nvm support
+- nvm commands now work directly in Dockerfile RUN without manual sourcing
+- nvm commands work in CI/CD workflow bash -c scripts automatically
+- Changed default SHELL directive to use nvm wrapper
+- Backward compatible: npmci still available, ENV PATH preserved for fallback
+- Non-bash shells fall back to ENV PATH (v20.12.2)
+- Both interactive and non-interactive shells have full nvm access
+
 ## 2024-11-17 - 5.0.146 - fix(Dockerfiles)
 Correct Docker image source host in various Dockerfiles