Adding generated CMake files to ignore
Adding generated CMake files to ignore

These files are generated by CMake on Windows 10 64bit with Visual
Studio installed. They are not tracked by the project, so they can be
savely removed by git clean.

Ultimaker/CuraEngine,totalretribution/CuraEngine,alephobjects/CuraEngine,ROBO3D/CuraEngine,Ultimaker/CuraEngine,alephobjects/CuraEngine,totalretribution/CuraEngine,alephobjects/CuraEngine,totalretribution/CuraEngine,ROBO3D/CuraEngine,ROBO3D/CuraEngine