Yaeb

What's Changed
* Update readme example. by WinterCitizen in https://github.com/WinterCitizen/yaeb/pull/3


**Full Changelog**: https://github.com/WinterCitizen/yaeb/compare/0.2.0...0.2.1

What's Changed
* Add tests for registering handler for all events & update dependencies. by WinterCitizen in https://github.com/WinterCitizen/yaeb/pull/1
* Add event handler registries & move all interfaces to interface module. by WinterCitizen in https://github.com/WinterCitizen/yaeb/pull/2

**Full Changelog**: https://github.com/WinterCitizen/yaeb/compare/0.1.2...0.2.0

Basic implementation supporting subscribing for specific and for all events.