Modify the project name by editing the file CMakeLists.txt and replacing TemplateCPP with the desired name.
Put your *.cpp files under the folder src and your *.h header files under the folder include.
The executable is built under the folder bin.
If you would like to debug the program using some arguments, edit the file .vscode/launch.json and modify the line "args": [""],.
Once you populate the project using your own file you need to press CTRL-SHIFT-P and give the commmand CMake: Configure. Then you can build and debug the program by pressing F5.