Initial release of switch

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