[create-pull-request] automated change

[create-pull-request] automated change (#1218)

docs: update declarative-shell.md shellHook comment (#1217)

[create-pull-request] automated change

[create-pull-request] automated change (#1210)

docs(install-nix): add installation instructions for fedora (#1215)

fix github start button not respecting the dark theme

Fix missing closing tag in download-links.html

[create-pull-request] automated change

clarify flakes as erring to implicit management of recursive dependencies (#1197)

describe using npins dependencies in v3 cli commands using the flake registry

Update packaging-existing-software.md with info about `result-2` (#1205)

[create-pull-request] automated change

fix link

mention `nix.nixPath`