Spello

Fixes to package building via twine

**Full Changelog**: https://github.com/hellohaptik/spello/compare/1.3.0...1.3.0.post0

What's Changed

* Escape word when forming pattern in context model by chiragjn in https://github.com/hellohaptik/spello/pull/7
* Fix links to pretrained models by chiragjn in https://github.com/hellohaptik/spello/pull/11
* refactor+fix(misc): Fix config management, change license and other minor refactors by chiragjn in https://github.com/hellohaptik/spello/pull/23