Instead of having to manually stub packages that should not be
downloaded we instead automatically stub all packages (except a small
list of whitelisted ones). Tests can re-introduce the real package by
using the `realPkgs` module argument.
Neovide is a simple, no-nonsense, cross-platform graphical user
interface for Neovim See <https://neovide.dev/>.
Used ruff's module as reference during creation.