CMake - emscripten hack

Add a commented out line for the emscripten hack to indicate what to do when compiling for the platform.
resolves #99

Author: enetheru

CMakeLists.txt

@@ -26,6 +26,9 @@ if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/godot-cpp/src")
 endif()
 add_subdirectory(godot-cpp SYSTEM)
 
+# When compiling for emscripten, this toolchainhack needs to be included.
+# set(CMAKE_PROJECT_<project-name>_INCLUDE ${godot-cpp_SOURCE_DIR}/cmake/emsdkHack.cmake)
+
 # Add godot-cpp's module path and include the exported functions.
 # This is made available for documentation generation
 set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${godot-cpp_SOURCE_DIR}/cmake")