Initial release of switch

To release switch we need to:
- [ ] [Accept theme pull request](https://github.com/topcoat/theme/pull/20)
- [ ] tag theme
- [ ] push tag
- [ ] npm publish theme
- [ ] create tag v0.1.0
- [ ] push tag v0.1.0
- [ ] update theme version in package.json
- [ ] npm publish switch