Update README.md

Author: crypticminds

README.md

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 # ColdStorage 
-[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) ![Downloads](https://jitpack.io/v/crypticminds/ColdStorage/month.svg) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/946075aa2cc14be3af73eb8a9fc2352b)](https://www.codacy.com/manual/crypticminds/ColdStorage?utm_source=github.com&utm_medium=referral&utm_content=crypticminds/ColdStorage&utm_campaign=Badge_Grade) [![Build Status](https://travis-ci.com/crypticminds/ColdStorage.svg?branch=master)](https://travis-ci.com/crypticminds/ColdStorage)
+[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) ![Downloads](https://jitpack.io/v/crypticminds/ColdStorage/month.svg) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/946075aa2cc14be3af73eb8a9fc2352b)](https://www.codacy.com/manual/crypticminds/ColdStorage?utm_source=github.com&utm_medium=referral&utm_content=crypticminds/ColdStorage&utm_campaign=Badge_Grade) [![Build Status](https://travis-ci.com/crypticminds/ColdStorage.svg?branch=master)](https://travis-ci.com/crypticminds/ColdStorage) [![Gitter](https://badges.gitter.im/ColdStorageCache/community.svg)](https://gitter.im/ColdStorageCache/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 **A lightweight caching library for android written in Kotlin.**