Fix 4.1.0.dat example snippet (#647)

Author: Splamy

wiki/.assets/snippets/beatmap/4.1.0.dat

@@ -89,12 +89,16 @@
     }
   ]
   "njsEvents": [
-    "b": 1.0, 
-    "i": 0,
+    {
+      "b": 1.0,
+      "i": 0
+    }
   ],
   "njsEventData": [
-    "p": 1,
-    "e": 1,
-    "d": 2.0
+    {
+      "p": 1,
+      "e": 1,
+      "d": 2.0
+    }
   ]
-}
+}