Preset fiction book writing1.6 (#2270)

* Update preset-fiction-book-writing to community catalog

- Preset ID: fiction-book-writing
- Version: 1.5.0
- Author: Andreas Daumann
- Description: Spec-Driven Development for novel and long-form fiction. Replaces software engineering terminology with storytelling craft: specs become story briefs, plans become story structures, and tasks become scene-by-scene writing tasks. Supports 8 POV modes, all major plot structure frameworks, 5 humanized-AI prose profiles, and exports to DOCX/EPUB/LaTeX via pandoc. V1.5.0: Support interactive, audiobooks, series, workflow corrections

* Add fiction-book-writing preset to community catalog

- Preset ID: fiction-book-writing
- Version: 1.6.0
- Author: Andreas Daumann
- Description: Added support for 12 languages, export with templates, cover builder, bio builder, workflow fixes

* Update presets/catalog.community.json

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fixed update_at for fiction-book-writing preset

* Update README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fixed description for fiction-book-writing

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>