Add very important new line at eof

Author: kuroppoi

gameserver/src/main/resources/defaults/loottables.json

@@ -2513,4 +2513,4 @@
       "frequency": 1
     }
   ]
-}
+}

gameserver/src/main/resources/defaults/spawning.json

@@ -620,4 +620,4 @@
       "frequency": 3
     }
   ]
-}
+}