adding main and CMakeLists.txt
Merge branch 'master' of https://github.com/matejhof/playground2
Merge branch 'master' of https://github.com/matejhof/playground2
Merge branch 'master' of https://github.com/matejhof/playground2
adding martz21.txt
Merge branch 'master' of https://github.com/matejhof/playground2