Add Simplified Chinese localization (#21)

Author: UraraChiya

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

@@ -0,0 +1,5 @@
+{
+  "itemGroup.aeinfinitybooster": "AE 无限增幅器",
+  "item.aeinfinitybooster.infinity_card": "无限范围增幅器",
+  "item.aeinfinitybooster.dimension_card": "维度卡"
+}