apply ocornut suggested cimgui structure

generator/generator.bat

@@ -0,0 +1,21 @@
+:: this is used to rebuild cimgui.h and cimgui.cpp and must be executed in this directory
+:: definitions.lua for function definitions
+:: structs_and_enums.lua with struct and enum information-definitions
+:: impl_definitions.lua for implementation function definitions
+:: cimgui_impl.h with implementation function cdefs
+
+:: set your PATH if necessary for LuaJIT or Lua5.1 or luajit with: (for example)
+:: set PATH=%PATH%;C:\luaGL;
+
+::process  files
+:: arg[1] true=use gcc false=dont use gcc
+:: arg[2..] name of implementation to generate
+luajit.exe ./generator.lua false glfw opengl3 opengl2 sdl
+
+::copy cimgui.h and cimgui.cpp
+copy .\cimgui.h ..\cimgui.h
+copy .\cimgui.cpp ..\cimgui.cpp
+
+::leave console open
+cmd /k
+