Custom software packages displaying Checksum SHA-256

The key features are as follows:
Summary: The release involves calculating the Checksum SHA-256 for all custom software packages.
Description: The feature displays a package's Checksum SHA for Mac, Windows, and Linux.
Scenarios: The feature includes several scenarios to verify the correct display and calculation of SHA-256 checksums for custom packages, approved apps, and different package types across various OSs.