Add README

Author: slavcodev

README.md

@@ -0,0 +1,55 @@
+# Date Range
+
+[![Software License][ico-license]][link-license]
+[![Latest Version on Packagist][ico-version]][link-packagist]
+[![Build Status][ico-travis]][link-travis]
+<!--
+[![Coverage Status][ico-scrutinizer]][link-scrutinizer]
+[![Quality Score][ico-code-quality]][link-code-quality]
+-->
+
+*TBD* 
+
+## Install
+
+Via [Composer](https://getcomposer.org)
+
+```bash
+composer require z-ee/date-range
+```
+
+## Usage
+
+*TBD*
+
+## Testing
+
+```bash
+# install required files
+composer self-update
+composer install
+
+# run the test (from project root)
+phpunit
+```
+
+## Credits
+
+- [Veaceslav Medvedev](https://github.com/slavcodev)
+- [All Contributors](../../contributors)
+
+## License
+
+The BSD 2-Clause License. Please see [LICENSE][link-license] for more information.
+
+[ico-version]: https://img.shields.io/packagist/v/z-ee/date-range.svg?style=flat-square
+[ico-license]: https://img.shields.io/badge/License-BSD%202--Clause-blue.svg?style=flat-square
+[ico-travis]: https://img.shields.io/travis/zee/date-range/master.svg?style=flat-square
+[ico-scrutinizer]: https://img.shields.io/scrutinizer/coverage/g/zee/date-range.svg?style=flat-square
+[ico-code-quality]: https://img.shields.io/scrutinizer/g/zee/date-range.svg?style=flat-square
+
+[link-packagist]: https://packagist.org/packages/z-ee/date-range
+[link-license]: LICENSE
+[link-travis]: https://travis-ci.org/zee/date-range
+[link-scrutinizer]: https://scrutinizer-ci.com/g/zee/date-range/code-structure
+[link-code-quality]: https://scrutinizer-ci.com/g/zee/date-range