Update README.md

Author: alekswebnet

README.md

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 [![npm version](https://img.shields.io/npm/v/pdfjs-viewer-element?logo=npm&logoColor=fff)](https://www.npmjs.com/package/pdfjs-viewer-element)
 [![Package Quality](https://packagequality.com/shield/pdfjs-viewer-element.svg)](https://packagequality.com/#?package=pdfjs-viewer-element)
-[![Codacy Badge](https://app.codacy.com/project/badge/Grade/57ac3a0ca9134749a4000cc0fc3675ee)](https://www.codacy.com/gh/alekswebnet/pdfjs-viewer-element/dashboard?utm_source=github.com&utm_medium=referral&utm_content=alekswebnet/pdfjs-viewer-element&utm_campaign=Badge_Grade)
 
 A web component for viewing pdf files in the browser. The package is based on [PDF.js viewer](https://mozilla.github.io/pdf.js/web/viewer.html) build and works with any framework. See [demo](https://alekswebnet.github.io/pdfjs-viewer-element/index.html).