DOC: Appendices bookmarks not being generated

[albert-github]

Adding appendices properly to bookmarks. Closes #128.

[dzenanz]

This is how current PDF looks like for me: What is this PR trying to change?

[dzenanz]

Now I see #128. But I still see bookmarks (I think that's what the content in the left panel is):

[albert-github]

@dzenanz

I don't see the double appendices / Appendix in the propose patch anymore (see results in the GHA aritfacts: https://github.com/InsightSoftwareConsortium/ITKSoftwareGuide/actions/runs/14055782571)

I see with this commit:

With the 5.4.2 version I see:

Note especially the place of the word appendices and the extra > in the new version, also when collapsing all high level parts we now see:

whilst in version 5.24.2 we see:

[dzenanz]

Jon, could you please amend the commit with the message you would like to see? That could serve as another example for Albert to learn our preferred norms.

[jhlegarreta]

Jon, could you please amend the commit with the message you would like to see? That could serve as another example for Albert to learn our preferred norms.

@dzenanz I've done this, but as I've not investigated the fix or possibilities, thoroughly, it is just guesswork or a mere description, so @albert-github I'd be grateful if you could amend the commit message.

Also, as it detaches from the commit message that I put, there is not a single command there that says explicitly which ones makes the bookmarks to be displayed, which should be the whole point of the fix.