feat: enhance documentation and configuration options for EC-Twoslash

[Adammatthiesen]

This pull request introduces several improvements and new features to the documentation site, focusing on enhanced configuration options, custom components, and improved navigation. The most significant changes are the addition of a new configuration reference section, custom page title handling, and updates to the documentation structure. Minor code formatting improvements and VSCode settings updates are also included.

Documentation enhancements and new features:

• Added a comprehensive configuration reference page (configuration.mdx) describing all EC-Twoslash plugin options, including examples and property signatures.
• Introduced a custom PageTitle.astro component to display badges for newly added features, and integrated it into the Starlight configuration. [1] [2]
• Implemented a PropertySignature.astro component for consistent display of property types, defaults, and availability in documentation.

Navigation and structure improvements:

• Updated astro.config.mts to autogenerate sidebar sections for "Available Twoslashers" and "Reference", improving navigation and discoverability of documentation. [1] [2]
• Extended the content schema to support an addedIn field for documentation pages, enabling version tracking for new features.

Formatting and tooling updates:

• Applied consistent semicolon usage in code examples across multiple MDX files for clarity and style. [1] [2] [3] [4] [5] [6] [7] [8] [9]
• Updated VSCode settings and Biome configuration to improve developer experience and support Astro files. [1] [2]
• Removed obsolete VSCode extension and launch configuration files from the docs directory. [1] [2]

[htg-1-studiocms-cloud]

Dokploy Preview Deployment

Name	Status	Preview	Updated (UTC)
Expressive-Code-Twoslash Docs	✅ Done	Preview URL	2026-02-21T05:52:12.403Z

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Latest commit: f0bc91f

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[apollo-git-bot]

Allure Report Summary

	Name	Duration	Stats	New	Flaky	Retry	Report
	css-js-gen Tests	12ms	37	37	0	0

[pkg-pr-new]

npm i https://pkg.pr.new/withstudiocms/expressive-code-twoslash/css-js-gen@78

npm i https://pkg.pr.new/withstudiocms/expressive-code-twoslash@78

commit: f0bc91f