Feature: SLIM/BUILD - An ability to keep the linux distribution metadata in the minified image ( --include-distro-metadata flag)

[kcq]

Need a way to indicate that we don't want to remove the linux distribution metadata in the output image for the slim (aka build) command. This metadata is located in the /etc/os-release file. It is possible to keep that file by using the generic --include-path flag. The goal here is to introduce a custom --include* flag (--include-distro-metadata) that's a shortcut for the --include-path without having to specify the /etc/os-release file explicitly.

Unlike other custom --include* flags the custom --include-distro-metadata flag doesn't need to be propagated to the sensor. Instead, it's enough to "convert" --include-distro-metadata to a regular --include-path value internally in the main app when handling the slim command.