Add remark-flexible-toc to list of plugins

[talatkuyuk]

Initial checklist

• I read the support docs
• I read the contributing guide
• I agree to follow the code of conduct
• I searched issues and couldn’t find anything (or linked relevant results below)
• If applicable, I’ve added docs and tests

Description of changes

Added a new plugin remark-flexible-toc to list of plugins

https://github.com/ipikuka/remark-flexible-toc
https://www.npmjs.com/package/remark-flexible-toc

It is remark plugin to expose the table of contents via Vfile.data or via an option reference in markdown/MDX.

The remark-flexible-toc exposes the table of contents (TOC) in two ways:

• by adding the toc key into the Vfile.data
• by mutating a reference array if provided in the options

Developers who are interested in easily creating a TOC with remark-flexible-toc can look at the applications below, where you will see an example of <TableOfContentComponent /> component.

• demo blog application using next-mdx-remote-client within Next.js app router
• demo blog application using next-mdx-remote-client within Next.js pages router

[remcohaszing]

Thanks!

One little detail: The unified import will end up in your type definitions. Therefor unified should be a dependency, not dev dependency.

[talatkuyuk]

Thanks @remcohaszing for the advice. unified has been moved to dependencies part.

https://github.com/ipikuka/remark-flexible-toc/releases

[wooorm]

Thanks Talat! :)