site_name: PortPHP Documentation
theme: readthedocs
pages:
- index.md
- quickstart.md
- readers.md
- writers.md
- stepaggregator.md
- contributing.md
site_url: http://portphp.org
repo_url: https://github.com/portphp/portphp
markdown_extensions:
  - toc:
      baselevel: 3
      permalink: true
  - admonition

site_name: PortPHP Documentation
theme: readthedocs
pages:
- index.md
- quickstart.md
- readers.md
- writers.md
- stepaggregator.md
- upgrading.md
- contributing.md
site_url: http://portphp.org
repo_url: https://github.com/portphp/portphp
markdown_extensions:
  - toc:
      baselevel: 3
      permalink: true
  - admonition

Add start of Upgrading chapter
Add start of Upgrading chapter
