added id2label file

id2label.json

@@ -0,0 +1 @@
+{"0": "unlabeled", "1": "klt_bin", "2": "rack", "3": "ceiling", "4": "pillar", "5": "wall", "6": "floor", "7": "sign", "8": "box", "9": "bracket", "10": "barcode", "11": "floor_decal", "12": "fuse_box", "13": "pallet", "14": "lamp", "15": "not-known-2", "16": "wire", "17": "fire_extinguisher", "18": "crate", "19": "cart"}