fix: move from devenv to flake.nix (wip)

monster.ansi.txt

nix/config/common-packages.nix

nix/packages/monster.nix

nix/scripts/build-and-publish.nix

nix/scripts/build-stylesheets.nix

nix/scripts/build.nix

nix/scripts/clean-up.nix

nix/scripts/deploy.nix

nix/scripts/go-task.nix

nix/scripts/init-project.nix

nix/scripts/prepare-release.nix

nix/scripts/run-tests.nix

nix/scripts/update-changelog.nix

nix/scripts/update-files.nix

nix/scripts/update-project.nix

package.json

pnpm-lock.yaml

showroom/package.json

showroom/pnpm-lock.yaml

showroom/source/components.layout.popper.html