[update] - README.md

[add] - Basic testing

[fix] - Inheritance

[add] - Testing basics

[fix] - Imports

[add] - Upgrading script

[add] - Scripts & OZ contracts

[add] - BoxV2

[add] - Proxy logic

[add] - BoxV1

[add] - OZ upgradable contracts

[add] - Simple smart contracts

[initial] - Initial commit