Updated all the readmes to be coherent

Author: Nyholm

README.md

@@ -1,7 +1,11 @@
-# Filesystem PSR-6 Cache pool
-[![Latest Stable Version](https://poser.pugx.org/cache/filesystem-adapter/v/stable)](https://packagist.org/packages/cache/filesystem-adapter) [![codecov.io](https://codecov.io/github/php-cache/filesystem-adapter/coverage.svg?branch=master)](https://codecov.io/github/php-cache/filesystem-adapter?branch=master) [![Build Status](https://travis-ci.org/php-cache/filesystem-adapter.svg?branch=master)](https://travis-ci.org/php-cache/filesystem-adapter) [![Total Downloads](https://poser.pugx.org/cache/filesystem-adapter/downloads)](https://packagist.org/packages/cache/filesystem-adapter)  [![Monthly Downloads](https://poser.pugx.org/cache/filesystem-adapter/d/monthly.png)](https://packagist.org/packages/cache/filesystem-adapter) [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
-
-This is a PSR-6 cache implementation for Filesystem. It is a part of the PHP Cache organization. To read about 
+# Filesystem PSR-6 Cache pool 
+[![Gitter](https://badges.gitter.im/php-cache/cache.svg)](https://gitter.im/php-cache/cache?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
+[![Latest Stable Version](https://poser.pugx.org/cache/filesystem-adapter/v/stable)](https://packagist.org/packages/cache/filesystem-adapter)
+[![Total Downloads](https://poser.pugx.org/cache/filesystem-adapter/downloads)](https://packagist.org/packages/cache/filesystem-adapter)
+[![Monthly Downloads](https://poser.pugx.org/cache/filesystem-adapter/d/monthly.png)](https://packagist.org/packages/cache/filesystem-adapter)
+[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
+
+This is a PSR-6 cache implementation using Filesystem. It is a part of the PHP Cache organisation. To read about 
 features like tagging and hierarchy support please read the shared documentation at [www.php-cache.com](http://www.php-cache.com). 
 
 This implementation is using the excellent [Flysystem](http://flysystem.thephpleague.com/).
@@ -12,7 +16,7 @@ This implementation is using the excellent [Flysystem](http://flysystem.thephple
 composer require cache/filesystem-adapter
 ```
 
-### Configure
+### Use
 
 To create an instance of `FilesystemCachePool` you need to configure a `Filesystem` and its adapter. 
 
@@ -26,3 +30,8 @@ $filesystem        = new Filesystem($filesystemAdapter);
 
 $pool = new FilesystemCachePool($filesystem);
 ```
+
+### Contribute
+
+Contributions are very welcome! Send a pull request to the [main repository](https://github.com/php-cache/cache) or 
+report any issues you find on the [issue tracker](http://issues.php-cache.com).