Add "sentence-segmentation/**" to Gradle package
Add "sentence-segmentation/**" to Gradle package

This adds the `sentence-segmentation` folder to the Gradle package definition. Without this, sentence segmentation does not work inside the Docker container (as the Ruby source is not found).
kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid