chore: update docs and pre publish script

[dmtrshat]

This pull request introduces several new content files and a comprehensive pre-publish script to automate documentation and asset generation for the project. The main focus is on improving documentation structure, automating the README build process, and providing up-to-date project information, badges, and release notes.

Documentation and Content Additions:

• Added new markdown content files for badges, hero image, project slogan, desk (online playground), note (site recommendation), Arcane Circle (community), and release information, enriching the documentation and improving project presentation.

Automation and Build Improvements:

• Introduced scripts/pre_publish.sh, a pre-publish helper script that:
  • Generates a sorted list of CSS animations from the codebase.
  • Updates the animations section in documentation.
  • Composes README.md from modular content blocks.
  • Optionally updates the table of contents using doctoc.

[Copilot]

Pull Request Overview

This pull request implements a comprehensive documentation automation system and introduces several new content files to improve project presentation. The main focus is on automating the README.md build process from modular content blocks and generating up-to-date animation lists from the codebase.

Key changes include:

• New pre-publish automation script that generates animations list and assembles README from content modules
• Addition of modular content files (badges, hero image, project slogan, etc.) for flexible documentation composition
• Complete README regeneration using the new modular system with embedded content blocks

Reviewed Changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
scripts/pre_publish.sh	Core automation script that generates animations list and composes README from content blocks
content/*.md	Modular content files for badges, hero image, slogan, community info, and release notes
content/animations*.txt	Generated animation lists from codebase CSS files
content/about.md	Template file with content insertion markers for README generation
README.md	Regenerated documentation file assembled from modular content blocks

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