Create/Update assets for version 1.12.2

assets/minecraft/models/item/bone.json

@@ -0,0 +1,13 @@
+{
+    "parent": "item/handheld",
+    "textures": {
+        "layer0": "items/bone"
+    },
+    "display": {
+        "head": {
+            "rotation": [ 0, 0, -45 ],
+            "translation": [ 0, -4.5, -6.5],
+            "scale":[ 1, 1, 1 ]
+        }
+    }
+}