Vaadin 14 VStepper addon
You can create the zip package needed for Vaadin Directory using
mvn versions:set -DnewVersion=1.0.0 # You cannot publish snapshot versions
mvn install -Pdirectory
The package is created as target/paper-slider-1.0.0.zip
For more information or to upload the package, visit https://vaadin.com/directory/my-components?uploadNewComponent