add article about generated C++ interfaces
add article about generated C++ interfaces

ljjyxz123/design,ros2/design,basheersubei/design,gbiggs/design,ljjyxz123/design,ros2/design,cfpperche/design,cfpperche/design,basheersubei/design,ros2/design,basheersubei/design,Po-Jen/design,ljjyxz123/design,gbiggs/design,Po-Jen/design,ros2/design,gbiggs/design,cfpperche/design,ljjyxz123/design,cfpperche/design,gbiggs/design,ros2/design,Po-Jen/design,basheersubei/design,Po-Jen/design,gbiggs/design,Po-Jen/design,cfpperche/design