fix: simplify root handling during tex parser

Did not see exactly what was wrong, but it seems I was passing the root
as part of an option dict and somehow did not control the dict properly.
But we did not need the dict and could just simply pass the root value
directly. That seems to fix things.

refer: #3208

doc(zathura): added idea about launchctl to macos faq

refer: #3076

chore: update vim and neovim versions for testing

feat: use float popups for ui-functions in neovim

merge: build_dir → (out_dir, aux_dir)

This changes build_dir to out_dir in general and adds support for
setting aux_dir for latexmk.

refer: #2534

merge: remove redundant highlight link

refer: #2608

feat: add error message when compile bad mainfile

refer: #2465

doc: improve docs on zathura on MacOS

refer: #2391

chore: add cliff.toml for autogeneration of changelog

test: minor fix