Readme refactoring

Published Poetry project config

Moved to Poetry package manager

Refactoring readme and fixing setup

Removed classes comments

**Refactoring**!

Fully refactored, implemented font, color and weight classes, also screen and text widgets now available

Revered old widgets instance algorithm

Added unittests

Replaced manifest with package resources

Added assets manifest file

Added scaling to integer conversation

Added scaling ability, switched to new version

Refactored properties names and removed installation script

Properties refactoring