Create README.md

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README.md

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+# CMCMakeModule
+CM CMake module file
+
+1.create root project
+
+2.run "git submodule add https://github.com/hyzboy/CMCMakeModule" in project root directory.
+
+3.add the following code to project CMakeLists.txt
+  
+  set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMCMakeModule)
+
+  #include(math)
+  #use_mgl(${CMAKE_CURRENT_SOURCE_DIR}/3rdpty/MathGeoLib)
+
+  include(use_cm_module)
+  use_cm_module(Core)