Merge branch 'better-build' into 'master'

.babelrc

.gitignore

.gitlab-ci.yml

.npmignore

README.md

demo.html

gulpfile.babel.js

index.js

package.json

rollup.config.js

src/index.ts

src/setupVelocity.d.ts

src/setupVelocity.js

tsconfig.json

visual.js