gripper → capability 关系

文件在 include/aubo_caps/contribution/driver/gripper	在 include/aubo_caps/contribution/driver/gripper/capability 中引用
gripper_configuration.h	grip_force_capability.h
gripper_configuration.h	grip_vacuum_capability.h
gripper_configuration.h	speed_capability.h
gripper_configuration.h	width_capability.h