If you are trying to create a new PHP Composer library, whether it will be going to submitted to packagist.org or just in your Github account, this template of files will surely help you make the process a lot easier and faster.
- PSR-4 autoloading compliant structure
- Unit-Testing with PHPUnit
- Comprehensive Guides and tutorial
- Easy to use to any framework or even a plain php file
I encourage that you put more information on this readme file instead of leaving it as is. See How to make a README file for more info.