[i18nIgnore] i18n(ja): update `astro-pages.mdx`

[fhiromasa]

Description (required)

update /ja/basics/astro-pages/

• add 'Page Partials' section
• use ReadMore component
• add sample code at 'Link between pages' section

Related issues & labels (optional)

• Closes #
• Suggested label: i18n

First-time contributor to Astro Docs?

@morinokami

Discord user name

username: lukss7778 server nickname: fhiromasa

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	Jun 8, 2024 6:13pm

[astrobot-houston]

Lunaria Status Overview

🌑 This pull request will not trigger status changes.

Learn more

Lunaria automatically ignores changes on specific PRs by adding a ignored keyword in its title. Found: i18nIgnore.

You can change this by either removing the keyword above from the PR's title, or modifying the ignoreKeywords property in your Lunaria configuration file.

Tracked Files

[!NOTE]
The notes below indicate what would happen if the pull request is merged when triggering status changes. Since a ignored keyword was found in the PR's title, the status changes indicated below won't be applied.

Locale	File	Note
ja	basics/astro-pages.mdx	Localization changed, will be marked as complete.

Warnings reference

Icon	Description
🔄️	The source for this localization has been updated since the creation of this pull request, make sure all changes in the source have been applied.