feat: Added some new methods (mostly about backwards playing), improv… …ed Editor inspector

fix: Added missed 'com.unity.ugui' dependency to the package.json 

meta: Updated to 1.0.0, added installation instructions to the README.md 

Fixed too big property labels on legacy versions (2022.1-) 

Trying to solve an issue with DOTween references in some cases 

Added initial changelog and setup pre-release metadata