If you want to add files, create the cpp and hpp inside the work/src folder and add them in the CmakeList file before building.
After cloneing, create an empty "build" folder inside the "CGRA350T12019_Framework" directory and use cmake to make the soulution.
From inside the build folder..
For Windows cmake -G "Visual Studio XX" ..\work
or
cmake -G "Visual Studio XX Win64" ..\work
After opening the solution (.sln) you will need to set some additional variables before running.
Solution Explorer > base > [right click] > Set as StartUp Project
Solution Explorer > base > [right click] > Properties > Configuration Properties > Debugging
Select All Configurations from the configuration drop-down
Set Working Directory to $(SolutionDir)../work
Set Command Arguments to whatever is required by your program