Contains data to help creation of packages of PeaZip for various package management systems.
It does not replaces or duplicates the function of sources package peazip-x.y.z.src, as it is simply meant to help packaging the application for a specific distribution system, rather than compiling and building the binaries of the application.

DEB
contains DEB package folders for Linux GTK2 and Qt5 builds

RPM 
contains RPM folders and specs folder for Linux GTK2 and Qt5 builds

To edit macOS packages it is simply needed one of the pre-built DMG files for Darwin/macOS.
To open the peazip.app folder inside the DMG use "Show package content" from Finder, or use an alternative file manager as PeaZip itself.