Liberpak is Liberejo's core package.
As the Liberejo core repository is not yet published, you will need to compile and install it locally using gradle install.
Then to build Liberpak, use gradle build and move the compiled JAR to your Liberejo package directory (~/.local/share/liberejo/packages on Linux).
Once the package system in Liberejo is more complete, a more seamless development testing environment will be created.