[Feature] Multipage Blog Post

[ryjogo]

I confirm:

• I have read the Hugo Clarity theme documentation.
• I have reviewed other issues in this repository, and this feature has not already been requested.

Type of feature (check all that apply)

• Site functionality
• Design (styling)
• Site performance
• Accessibility
• Translations and internationalization (i18n)
• Code improvements
• Other (please describe below)

Describe the feature

Multipage blog post, possibly in the format of

.
├── _index.md
└── pages
    ├── post-1.md
    └── post-2.md

Preferred solution

A simple solution https://github.com/jmooring/hugo-testing/tree/hugo-forum-topic-29161

Alternatives

No response

Additional Context

No response