First version of yiisoft/aliases standalone package was released.

The package aim is to store path aliases, i.e. short name representing a long path (a file path, a URL, etc.). Path alias value may have another value as its part. For example, @vendor may store path to vendor directory while @bin may store @vendor/bin.

More description and usage examples are available in readme.

The code has 100% test coverage and 100% mutation score i.e. it is very stable.