Rename sdk directory

SDK/CPP/public/python/tests/test_load.py

SDK/CPP/public/python/types/image.hpp

SDK/CPP/public/samples/basic_file/main.cpp

SDK/CPP/public/samples/basic_test/main.cpp

SDK/CPP/public/samples/basic_virtual_cam/main.cpp

SDK/CPP/public/samples/fusion_evaluator/main.cpp

SDK/CPP/public/voltu.cpp

SDK/CPP/public/voltu_cv.cpp