Adds publisher for remote visualization of respective holes found

	modified:   pandora_vision_hole_detector/cfg/hole_fusion_node_topics.yaml
	modified:   pandora_vision_hole_detector/include/hole_fusion_node/hole_fusion.h
	modified:   pandora_vision_hole_detector/include/utils/visualization.h
	modified:   pandora_vision_hole_detector/src/hole_fusion_node/hole_fusion.cpp
	modified:   pandora_vision_hole_detector/src/utils/visualization.cpp