Navigation links or buttons to jump to each section of markdown page

[fekete-robert]

You can find some info about it at https://gohugo.io/content-management/toc/ .
I’m not a hugo guru, but what you write seems to be quite heavy customization.
I haven’t tried these yet, but these articles might be interesting for you:

• https://ma.ttias.be/adding-a-sticky-table-of-contents-in-hugo-to-posts/
• Create a custom page TOC ("mini TOC") with Javascript