message: Added badges to README
diff: # Lightweight Charts
  +[![npm version](https://badge.fury.io/js/lightweight-charts.svg)](https://www.npmjs.com/package/lightweight-charts)
  +![npm bundle size](https://badgen.net/bundlephobia/minzip/lightweight-charts)
  +![Zero dependencies](https://badgen.net/badge/dependencies/0/green)
  +[![Downloads](https://img.shields.io/npm/dm/lightweight-charts.svg)](https://www.npmjs.com/package/lightweight-charts)
  +
  TradingView Lightweight Chart is one of the smallest and high performative financial HTML5 charts.
  ## Installing
  