Run make fmt

[leynos]

Summary

• format documentation with make fmt
• fix Markdown tables and code block syntax

Testing

• make fmt
• make lint
• make test

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https://chatgpt.com/codex/tasks/task_e_6874ae638e40832280d06e53c3825717

Summary by Sourcery

Reformat and standardize documentation by running make fmt, reflowing text, converting HTML tables to GitHub-style markdown tables, and correcting code block syntax across multiple docs.

Enhancements:

• Run make fmt to apply consistent formatting across markdown files

Documentation:

• Reflow and rewrap lines in behavioural-testing-in-rust-with-cucumber.md
• Convert HTML tables to markdown tables and fix code block syntax in behavioural-testing guide
• Reformat rust-testing-with-rstest-fixtures.md for consistent paragraph wrapping and markdown formatting
• Update snapshot-testing-in-netsuke guide, roadmap, netsuke-design, and AGENTS.md to use proper markdown tables and standardized code blocks