Added translations to coupon

I always forget to do this. Chinese gamers probably hate me

Author: cornerloan

Globals/Translations/Translations.csv

@@ -102,6 +102,8 @@ RELIC_BROKENDRUMSTICK_NAME,Broken Drumstick,破碎的鼓棒
 RELIC_BROKENDRUMSTICK_TOOLTIP,"Enemies start combat damaged.","敌人在战斗开始时受到伤害。"
 RELIC_BLOODMONEY_NAME,Blood Money,血腥钱袋
 RELIC_BLOODMONEY_TOOLTIP,"Gain money when taking damage below half health.","在生命值低于一半时受到伤害可获得金钱。"
+RELIC_COUPON_NAME,Coupon,优惠券
+RELIC_COUPON_TOOLTIP,"Get a 10% discount on notes and relics in the shop.","在商店购买音符和遗物时可享受9折优惠。"
 INVENTORY_TAB_NOTES,Notes,乐谱
 INVENTORY_TAB_RELICS,Relics,遗物
 OPTIONS_VOLUME_LABEL,Master Volume,最终音量设置