maven workflow to create zip

[jamesmarkchan]

the zip is the catch all project that allows any platform with jdk 25 to run jdiskmark with java -jar jdiskmark.jar

definition of done:

1. add maven target and workflow to create zip package
2. verify new zip package works like the original and has all required artifacts

[jamesmarkchan]

@lane1995 renamed to generic-zip.yml