message: ADD: Warning about ARM + franka_gazebo
diff: cmake_minimum_required(VERSION 3.4)
  project(franka_gazebo)
  +execute_process(COMMAND uname -m
  + OUTPUT_VARIABLE ARCHITECTURE
  + OUTPUT_STRIP_TRAILING_WHITESPACE
  + )
  +
  +if(${ARCHITECTURE} STREQUAL "armv7l")
  + message(WARNING "franka_gazebo was never tested on ARM. Use at own risk!")
  +endif()
  +
  +
  set(CMAKE_CXX_STANDARD 14)
  set(CMAKE_CXX_STANDARD_REQUIRED ON)
  