Update README.md

Author: bartaxyz

README.md

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 # React Tree List
 
-![Node.js CI](https://github.com/bartaxyz/react-tree-list/workflows/Node.js%20CI/badge.svg)
-
 A draggable & sortable tree list UI component for React.
 
 | <img src="assets/react-tree-list-showcase.gif" alt="React Tree List Component Showcase" width="400" height="318" /> |