Opt-sugar

fixing imports second try

* Splitting extra_sugar from low_sugar
* Adding examples

What's Changed
* changing setup by juandados in https://github.com/juandados/opt-sugar/pull/1

New Contributors
* juandados made their first contribution in https://github.com/juandados/opt-sugar/pull/1

**Full Changelog**: https://github.com/juandados/opt-sugar/compare/v0.0.4.5...v0.0.4.6

**Full Changelog**: https://github.com/juandados/opt-sugar/commits/v0.0.4.5