Added Chinese translations (#3)

Author: Taskeren

src/main/resources/assets/gtstoragedrawers/lang/zh_cn.json

@@ -0,0 +1,6 @@
+{
+  "itemGroup.gtstoragedrawers": "格雷科技储物抽屉",
+
+  "block.gtstoragedrawers.mat.gtceu_rubber": "橡胶",
+  "block.gtstoragedrawers.mat.gtceu_treated": "防腐木"
+}