first full export of CORSIKA8 as cmake library

.gitlab-ci.yml

CMakeLists.txt

cmake/CORSIKA8Config.cmake.in

cmake/CORSIKAConfig.cmake.in

cmake/CorsikaUtilities.cmake

corsika/stack/history/CMakeLists.txt

documentation/CMakeLists.txt

examples/CMakeHelper.cmake

examples/CMakeLists.txt

externals/cnpy/CMakeLists.txt

modules/CMakeLists_PROPOSAL.txt

modules/pythia/CMakeLists.txt

modules/qgsjetII/CMakeLists.txt

modules/sibyll/CMakeLists.txt

modules/urqmd/CMakeLists.txt

src/framework/core/CMakeLists.txt

src/media/CMakeLists.txt

src/modules/qgsjetII/CMakeLists.txt

src/modules/sibyll/CMakeLists.txt