KRF-416 #resolve Added README file to each module

Author: khelle

README.md

@@ -0,0 +1,74 @@
+# Kraken Framework - Loop Component
+
+[![Build Status](https://travis-ci.org/kraken-php/framework.svg)](https://travis-ci.org/kraken-php/framework)
+[![Total Downloads](https://poser.pugx.org/kraken-php/loop/downloads)](https://packagist.org/packages/kraken-php/loop) 
+[![Latest Stable Version](https://poser.pugx.org/kraken-php/loop/v/stable)](https://packagist.org/packages/kraken-php/loop) 
+[![Latest Unstable Version](https://poser.pugx.org/kraken-php/loop/v/unstable)](https://packagist.org/packages/kraken-php/loop) 
+[![License](https://poser.pugx.org/kraken-php/framework/license)](https://packagist.org/packages/kraken-php/framework)
+
+> **Note:** This repository is part of [Kraken Framework][3]. It can be used as standalone library, but for the best 
+efficiency we suggest you to also check out the rest of [Kraken Repository][5].
+
+<br>
+<p align="center">
+<img src="https://avatars2.githubusercontent.com/u/15938282?v=3&s=150" />
+</p>
+
+## Description
+
+Kraken/Loop is component that provides abstraction layer for writing asynchronous code in PHP on single thread or process
+with usage of single or multiple loops.
+
+See more in [official documentation][2].
+
+## Feature Highlights
+
+Kraken/Loop features:
+
+* Interface for writing asynchronous code on single Thread or Process,
+* File descriptor polling,
+* One-time and periodic timers,
+* Deferred execution of callbacks,
+* Support for StreamSelect -based loops,
+* ~~Support for LibEvent -based loops~~,
+* ~~Support for LibEv -based loops~~,
+* ~~Support for ExtEvent -based loops~~,
+* Support for using multiple loops with multiple execution flows,
+* Support for switching between loops and importing/exporting its unfinished queues,
+* ReactPHP compatibility,
+* ReactPHP EventLoop adapters,
+* Kraken Framework compatibility,
+* ...and more.
+
+## Requirements
+
+* PHP-5.5, PHP-5.6 or PHP-7.0+,
+* UNIX or ~~Windows~~ OS.
+
+## Installation
+
+```
+composer require kraken-php/loop
+```
+
+## Tests
+
+Tests are provided in [Framework Repository][3].
+
+## Documentation
+
+Documentation for this module can be found in the [official documentation][2].
+
+## Contributing
+
+This library is read-only subtree split of Kraken Framework. To make contributions, please go to [Framework Repository][3].
+
+## License
+
+This library licensed under the same license as [Kraken Framework][3].
+
+[1]: http://kraken-php.com
+[2]: http://kraken-php.com/docs/0.3/loop
+[3]: https://github.com/kraken-php/framework
+[4]: https://github.com/kraken-php/kraken
+[5]: https://github.com/kraken-php