Add Simplified Chinese language

Author: clarenre

common/src/main/resources/assets/obsidianboat/lang/zh_cn.json

@@ -0,0 +1,6 @@
+{
+  "advancements.obsidianboat.root.description": "你真的觉得这会起作用?",
+  "advancements.obsidianboat.root.title": "覆舟之戒",
+  "entity.obsidianboat.obsidian_boat": "黑曜石船",
+  "item.obsidianboat.obsidian_boat": "黑曜石船"
+}