Add codecov badge to readme.

MoMannn · MoMannn · commit 7009420a09b0 · 2021-08-19T13:50:55.000+02:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-![Build Status](https://travis-ci.org/0xcert/ethereum-erc721.svg?branch=master)&nbsp;[![NPM Version](https://badge.fury.io/js/@0xcert%2Fethereum-erc721.svg)](https://www.npmjs.com/package/@0xcert/ethereum-erc721)&nbsp;[![Dependencies Status](https://david-dm.org/0xcert/ethereum-erc721.svg)](https://david-dm.org/0xcert/ethereum-erc721)&nbsp;[![Bug Bounty](https://img.shields.io/badge/bounty-open-2930e8.svg)](https://github.com/0xcert/ethereum-erc721/blob/master/BUG_BOUNTY.md)
+![Build Status](https://travis-ci.org/0xcert/ethereum-erc721.svg?branch=master)&nbsp;[![codecov](https://codecov.io/gh/0xcert/ethereum-erc721/branch/master/graph/badge.svg?token=F0tgRHyWSM)](https://codecov.io/gh/0xcert/ethereum-erc721)&nbsp;[![NPM Version](https://badge.fury.io/js/@0xcert%2Fethereum-erc721.svg)](https://www.npmjs.com/package/@0xcert/ethereum-erc721)&nbsp;[![Dependencies Status](https://david-dm.org/0xcert/ethereum-erc721.svg)](https://david-dm.org/0xcert/ethereum-erc721)&nbsp;[![Bug Bounty](https://img.shields.io/badge/bounty-open-2930e8.svg)](https://github.com/0xcert/ethereum-erc721/blob/master/BUG_BOUNTY.md)
 
 # ERC-721 Token — Reference Implementation
 

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`1`		`-![Build Status](https://travis-ci.org/0xcert/ethereum-erc721.svg?branch=master) [![NPM Version](https://badge.fury.io/js/@0xcert%2Fethereum-erc721.svg)](https://www.npmjs.com/package/@0xcert/ethereum-erc721) [![Dependencies Status](https://david-dm.org/0xcert/ethereum-erc721.svg)](https://david-dm.org/0xcert/ethereum-erc721) [![Bug Bounty](https://img.shields.io/badge/bounty-open-2930e8.svg)](https://github.com/0xcert/ethereum-erc721/blob/master/BUG_BOUNTY.md)`
	`1`	+![Build Status](https://travis-ci.org/0xcert/ethereum-erc721.svg?branch=master) [![codecov](https://codecov.io/gh/0xcert/ethereum-erc721/branch/master/graph/badge.svg?token=F0tgRHyWSM)](https://codecov.io/gh/0xcert/ethereum-erc721) [![NPM Version](https://badge.fury.io/js/@0xcert%2Fethereum-erc721.svg)](https://www.npmjs.com/package/@0xcert/ethereum-erc721) [![Dependencies Status](https://david-dm.org/0xcert/ethereum-erc721.svg)](https://david-dm.org/0xcert/ethereum-erc721) [![Bug Bounty](https://img.shields.io/badge/bounty-open-2930e8.svg)](https://github.com/0xcert/ethereum-erc721/blob/master/BUG_BOUNTY.md)
`2`	`2`
`3`	`3`	`# ERC-721 Token — Reference Implementation`
`4`	`4`