remove build artifacts from version control

.gitignore

dist/cjs/css-shim-eef3eab8.js

dist/cjs/dom-a2e7c874.js

dist/cjs/hy-baseline.cjs.entry.js

dist/cjs/hy-button_12.cjs.entry.js

dist/cjs/hy-design-system-demo.cjs.js

dist/cjs/hy-docs-container.cjs.entry.js

dist/cjs/index-f6385fcf.js

dist/cjs/index.cjs.js

dist/cjs/loader.cjs.js

dist/cjs/shadow-css-fbf27e68.js

dist/collection/assets/Shape Copy.svg

dist/collection/assets/Shape.svg

dist/collection/collection-manifest.json

dist/collection/components/baseline/baseline.css

dist/collection/components/baseline/baseline.js

dist/collection/components/button/button.css

dist/collection/components/button/button.js

dist/collection/components/docs-container/docs-container.css

dist/collection/components/docs-container/docs-container.js