New translations en_us.json (ja_jp)

src/main/resources/assets/roughlyenoughitems/lang/ja_jp.json

@@ -14,6 +14,7 @@
   "category.rei.fuel.time": "Burn Time: %d ticks",
   "category.rei.fuel.time_short": "%d ticks",
   "category.rei.cooking.xp": "%f XP",
+  "category.rei.cooking.time&xp": "%s XP in %s sec",
   "category.rei.smoking": "燻製器",
   "category.rei.blasting": "溶鉱炉",
   "category.rei.campfire": "焚き火",