new file:   README.md
	new file:   doc/CMakeLists.txt
	new file:   doc/Doxyfile
	new file:   include/SiTrackerDigitizer.h
	new file:   include/SiVertexTrackerDigitizer.h
	new file:   src/SiTrackerDigitizer.cc
	new file:   src/SiVertexTrackerDigitizer.cc