Add Awesome Vivliostyle reference page

[ogwata]

Summary

• add Awesome Vivliostyle docs from submodule and wire into reference navigation (JA/EN)
• insert TOC heading for the Awesome page and fix the Print CSS sites TOC label/link
• update the awesome-vivliostyle submodule reference
• add workspace settings to stabilize encoding/terminal font

Testing

• npm run dev

[Copilot]

Pull request overview

Adds an “Awesome Vivliostyle” reference page sourced from a Git submodule and integrates it into the JA/EN reference navigation and TOC handling.

Changes:

• Add Awesome Vivliostyle content collections (JA/EN) and route wiring for /reference/awesome-vivliostyle/
• Update reference navigation/ordering and adjust TOC rendering for the Awesome page
• Update/add submodule + repo/editor settings related to the new docs source

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
submodules/awesome-vivliostyle	Bumps the submodule commit used as the docs source.
src/pages/ja/reference/index.astro	Adds Awesome Vivliostyle to the JA reference index navigation.
src/pages/ja/reference/[...slug].astro	Generates static path + sidebar entry + TOC UI for the Awesome page (JA).
src/pages/en/reference/index.astro	Adds Awesome Vivliostyle to the EN reference index navigation.
src/pages/en/reference/[...slug].astro	Generates static path + sidebar entry + TOC UI for the Awesome page (EN).
src/loaders/vfm-loader.ts	Adds Awesome-specific TOC label/anchor normalization during TOC HTML extraction.
src/layouts/DocsLayout.astro	Adds Awesome Vivliostyle to the shared reference nav links.
src/content.config.ts	Registers new content collections for awesome-vivliostyle EN/JA via vfmLoader.
content/ja/reference/index.md	Adds Awesome Vivliostyle to the JA reference landing page list.
content/en/reference/index.md	Adds Awesome Vivliostyle to the EN reference landing page list.
.vscode/settings.json	Adds workspace-level editor/terminal settings (encoding + fonts).
.gitmodules	Adds the awesome-vivliostyle submodule configuration.

Comments suppressed due to low confidence (2)

src/pages/ja/reference/[...slug].astro:1

• This “awesome doc normalization” logic is now duplicated across both JA and EN [...slug].astro pages (including translation-ID set creation and the extra paths.push). Consider extracting a small shared helper (e.g., in src/lib/reference.ts) to build awesomeReferenceDoc, referenceDocsAll, and translation presence flags to reduce drift and simplify future updates.
  src/pages/ja/reference/[...slug].astro:1
• This “awesome doc normalization” logic is now duplicated across both JA and EN [...slug].astro pages (including translation-ID set creation and the extra paths.push). Consider extracting a small shared helper (e.g., in src/lib/reference.ts) to build awesomeReferenceDoc, referenceDocsAll, and translation presence flags to reduce drift and simplify future updates.

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[MurakamiShinyu]

「Awesome Vivliostyle」の目次は「サポートする CSS 機能」と同様にサイドメニューにほしいです。それから見出しの階層がわかるように。

[ogwata]

「Awesome Vivliostyle」の目次は「サポートする CSS 機能」と同様にサイドメニューにほしいです。それから見出しの階層がわかるように。

ありがとうございます。1d39730で修正しました。

[MurakamiShinyu]

Awesome Vivliostyleの目次内容がサイドメニューに移動しましたが、"Table of Contents" という見出しだけ残った状態になってるのが変です。

[ogwata]

Awesome Vivliostyleの目次内容がサイドメニューに移動しましたが、"Table of Contents" という見出しだけ残った状態になってるのが変です。

失礼しました。e207a54で対応しました。