Update zh_TW.conf (#606)

Author: TWME-TW

common/webapp/public/lang/zh_TW.conf

@@ -83,6 +83,9 @@
     light: "明亮模式"
     contrast: "對比模式"
   }
+  chunkBorders: {
+    button: "顯示區塊邊界"
+  }
   debug: {
     button: "除錯模式"
   }