Update README.md

Author: CharafeddineMechalikh

README.md

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 PureEdgeSim: A simulation framework for performance evaluation of cloud, edge and mist computing environments
 
-[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) [![Build Status](https://travis-ci.com/CharafeddineMechalikh/PureEdgeSim.svg?branch=master)](https://travis-ci.com/CharafeddineMechalikh/PureEdgeSim) [![Codacy Badge](https://app.codacy.com/project/badge/Grade/7bcee5c75c3741b5923e0158c6e79b37)](https://www.codacy.com/gh/CharafeddineMechalikh/PureEdgeSim/dashboard?utm_source=github.com&utm_medium=referral&utm_content=CharafeddineMechalikh/PureEdgeSim&utm_campaign=Badge_Grade) [![Maven Central](https://img.shields.io/maven-central/v/com.mechalikh/pureedgesim.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22com.mechalikh%22%20AND%20a:%22pureedgesim%22) [![Codacy Badge](https://app.codacy.com/project/badge/Coverage/7bcee5c75c3741b5923e0158c6e79b37)](https://www.codacy.com/gh/CharafeddineMechalikh/PureEdgeSim/dashboard?utm_source=github.com&utm_medium=referral&utm_content=CharafeddineMechalikh/PureEdgeSim&utm_campaign=Badge_Coverage)
+[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) [![Build Status](https://travis-ci.com/CharafeddineMechalikh/PureEdgeSim.svg?branch=master)](https://travis-ci.com/) [![Codacy Badge](https://app.codacy.com/project/badge/Grade/7bcee5c75c3741b5923e0158c6e79b37)](https://www.codacy.com/gh/CharafeddineMechalikh/PureEdgeSim/dashboard?utm_source=github.com&utm_medium=referral&utm_content=CharafeddineMechalikh/PureEdgeSim&utm_campaign=Badge_Grade) [![Maven Central](https://img.shields.io/maven-central/v/com.mechalikh/pureedgesim.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22com.mechalikh%22%20AND%20a:%22pureedgesim%22) [![Codacy Badge](https://app.codacy.com/project/badge/Coverage/7bcee5c75c3741b5923e0158c6e79b37)](https://www.codacy.com/gh/CharafeddineMechalikh/PureEdgeSim/dashboard?utm_source=github.com&utm_medium=referral&utm_content=CharafeddineMechalikh/PureEdgeSim&utm_campaign=Badge_Coverage)
 
 ![image](https://user-images.githubusercontent.com/46229052/196698541-569de31b-0df8-470b-907c-02ba5eb5015f.png)