Basic .gitignore file in case some CMake out-of-source build* folders are created in the root of the source code.
Basic .gitignore file in case some CMake out-of-source build* folders are created in the root of the source code.

Biomechanical-ToolKit/Mokka,Biomechanical-ToolKit/Mokka,Biomechanical-ToolKit/Mokka