Creating project-wide navigation, org links in HTML preamble

[psycho_punch <psychopunchme@gmail.com>]

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I'm trying to find a way to dynamically create navigation links on my notes
published as HTML pages. I've seen the TOC on the official org manual,
which is something I'd also be fine with, but I'm not sure how to create
such project-wide TOC. At the moment, I'm looking for a way to add
navigation links in my HTML preamble but it only accepts HTML. Something
like,

[[file:~/Documents/org-project/home.org][Home]] |
[[file:~/Documents/org-project/science/index.org][Science]] |
[[file:~/Documents/org-project/philosophy/index.org][Philosophy]]

What I really want is for my notes to be able to provide navigation to
anywhere in my project. Notes should be aware of what directory they are
in, and provide links to home, and to other directories. As much as
possible I want it to be automatically inserted upon publishing as I want
the notes to remain as simple org notes as I can make them to be.

Is there a relatively simple way to achieve this?

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