Update README.md to enhance license badge and add coverage status

Author: Dhaqane-00

packages/README.md

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 ![Logo](https://afrotech.so/wp-content/uploads/2019/04/EVC-PLUS-Logo-01-230x128.png)
 
 
 ##
 Evc-Plus is an npm package that provides functions for formatting phone numbers and processing payments using WaafiPay.
 
 
-[![MIT License](https://img.shields.io/badge/License-MIT-green.svg)](https://choosealicense.com/licenses/mit/)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![Coverage Status](https://coveralls.io/repos/github/Dhaqane-00/Evc-Plus/badge.svg?branch=main)](https://coveralls.io/github/Dhaqane-00/Evc-Plus?branch=main)
+