Creating Debian packages

[volkm]

Revised the existing CPack configuration to build .deb packages for Debian and Ubuntu. I also added a CI workflow which builds the packages and currently stores them as artifacts for testing.

Creating the packages is successful, but the installation still has an issue. As seen here, the storm libraries are not found afterwards.
A couple of observations:

• ldd on /usr/lib/storm/libstorm.so shows that all reference can be resolved, ldd on /usr/bin/storm shows that the storm libs cannot be found
• the libraries are installed in /lib/storm/, /bin/, and /usr/lib/storm, /usr/include/storm, /usr/bin. The carl installation is different from the rest because carl is installed in /usr/local/lib/storm/resources/ and /usr/local/include/storm/resources/carl/.

[sjunges]

The libraries are installed to /usr/lib/storm, /usr/lib/storm/resources, not to bin/ or to include/ :-)

• (only) carl is installed to usr/local/lib ...
  I am not 100% sure why this is happening. Maybe we should ship carl as an own deb file? We can probably also override its installation process.

• Regarding the runtime search paths: I have to look into this more. Based on our CI, I would think that the runtime paths are correct when we install storm. Is the debian package created from the install tree or the build tree?

[volkm]

Installing from the deb package actually places the binaries in both /bin and /usr/bin, similar happens for the libs. Maybe putting them in /bin and /lib can be disabled.

Providing a separate package for carl is actually a good idea. It is a dependency and therefore should be separate package in my view.

The debian package is created from cmake via make package. It is based on the build tree but as far as I understand it should follow the same structure as the installation.