Add source files and other files needed by the project:
	new file:   .gitignore
	new file:   languages/c.xml
	new file:   languages/cplusplus.xml
	new file:   mycomments.txt
	new file:   src/Lepton.pro
	new file:   src/editor.cpp
	new file:   src/editor.h
	new file:   src/editortabbar.cpp
	new file:   src/editortabbar.h
	new file:   src/main.cpp
	new file:   src/mainwindow.cpp
	new file:   src/mainwindow.h
	new file:   src/mainwindow.ui
	new file:   src/syntaxhighlighter.cpp
	new file:   src/syntaxhighlighter.h
	new file:   styles/default.xml