chore: tidy project files

CHANGELOG.md

nix/config/release.nix

nix/packages/monster.nix

nix/scripts/build.nix

nix/scripts/create-issue.nix

nix/scripts/create-new-component-class.nix

nix/scripts/deploy.nix

nix/scripts/go-task.nix

nix/scripts/release.nix

nix/scripts/run-ci-tests.nix

nix/scripts/run-ci-web-tests.nix

nix/scripts/run-tests.nix

nix/scripts/start-server.nix

source/components/datatable/change-button.mjs

source/components/datatable/dataset.mjs

source/components/datatable/datasource/dom.mjs

source/components/datatable/datatable.mjs

source/components/datatable/filter.mjs

source/components/datatable/pagination.mjs

source/components/datatable/save-button.mjs