Update id2label.json

id2label.json

@@ -1 +1 @@
-{1: "void", 2: "crack", 3: "cleavage", 4: "slipstream", 5: "dimple" 0: "unlabled"}
+{"1": "void", "2": "crack", "3": "cleavage", "4": "slipstream", "5": "dimple", "0": "unlabled"}