The latest version of the Editor Proof of Concept built entirely with…

… Slate and GraphQL

🍱 Add screenshot of edtr.io

- 💬 Update features in README
- 🐛 Fix wrong version being displayed in README
- 📸 Add screenshot and logo
- 🔧 Add CODEOWNERS
- 🔧 Add PR template

🔖 Release v2.2.0

🔖 Bump version to 2.1.0

📝 Add documentation

* Add CONTRIBUTING.md
* 📄 ADD LICENSE
* Update README
* 🔥 Remove SoftBreak

* ➕ Add docz for documentation writing

🔥 Remove all decorators