[kattni]

Migrates Cricket's documentation from MkDocs and Material for MkDocs to Zensical, using Zensical-native configuration.

This depends on beeware/beeware-docs-tools#288, which moves the shared docs build to Zensical. Until that PR merges, beeware-docs-tools is temporarily pinned to its branch (kattni/beeware-docs-tools@tooling/zensical-migration). The pin will be reverted to beeware/main once beeware/beeware-docs-tools#288 is merged.

Changes

• docs/config.yml, docs/mkdocs.en.yml and docs/en/SUMMARY.md are replaced by docs/zensical.toml and docs/zensical.en.toml, generated with the docs-tools converter. The literate-nav SUMMARY.md is now a native nav setting in docs/zensical.toml, so new pages are added there.
• tox.ini: removed the MkDocs-only DISABLE_MKDOCS_2_WARNING and NO_MKDOCS_2_WARNING environment variables.
• pyproject.toml: temporary docs-tools pin (see above), and the docs/en/SUMMARY.md rumdl exclusion removed.
• .gitignore: ignores the docs/_build.*.toml files that docs-tools generates during a build.

Verification

The strict Zensical build (tox -e docs) passes with no issues. Compared against a MkDocs build of main:

• Same 37 pages, with identical titles, sidebar navigation, tabs and footer links.
• Article text is identical on 32 pages. The other 5 are shared contribution-guide pages whose content comes from docs-tools, which now describes nav in zensical.toml instead of SUMMARY.md, and Zensical instead of MkDocs.
• objects.inv and the image are identical.
• The pages look the same in light and dark mode. The only visible difference is Zensical's more compact search button.

Notes for reviewers

• The pymdownx.magiclink repo setting is "website", so a bare issue reference in Cricket's docs links to the website repository rather than Cricket. This predates the migration and is unchanged here.
• mkdocstrings is configured, but no page currently uses it (there are no API reference pages). It's kept as is.

PR Checklist:

• I will abide by the BeeWare Code of Conduct
• I have read and have followed the CONTRIBUTING.md file
• This PR was generated or assisted using an AI tool

Assisted-by: Claude Code (Claude Opus 5.5)