FEATURE: Provide readme

README.md

+About
+-----
+
+Library provides enhanced mutex implementations that can use directory, flock, memcache, memcached, mysql or redis (predis) for locking.
+
+Based on [ninja-mutex](https://packagist.org/packages/arvenil/ninja-mutex).
+
+[![build status](https://git.higidi.com/higidi/ninja-mutex/badges/master/build.svg)](https://git.higidi.com/higidi/ninja-mutex/commits/master) [![coverage report](https://git.higidi.com/higidi/ninja-mutex/badges/master/coverage.svg)](https://git.higidi.com/higidi/ninja-mutex/commits/master) [![Latest Stable Version](https://poser.pugx.org/higidi/ninja-mutex/v/stable)](https://packagist.org/packages/higidi/ninja-mutex) [![Total Downloads](https://poser.pugx.org/higidi/ninja-mutex/downloads)](https://packagist.org/packages/higidi/ninja-mutex) [![License](https://poser.pugx.org/higidi/ninja-mutex/license)](https://packagist.org/packages/higidi/ninja-mutex)
+
+Enhanced Locks
+-------------
+
+* PhpRedisLock (enhanced to support expirations)
+
+Requirements
+------------
+
+- `PHP >= 5.3.0`
+
+Installation
+------------
+
+```bash
+$ composer require higidi/ninja-mutex
+```
+
+Issues
+------
+
+Bug reports and feature requests can be submitted on the [Issue Tracker](https://git.higidi.com/higidi/ninja-mutex/issues)