init: add workspace files

world/map/huashan/shangu.js

@@ -0,0 +1,4 @@
+this.inherits(ROOM);
+this.name = "山谷"
+this.desc = "这里是中条山的一个隐秘山谷。四周是高可及天的山峰，云深林密，一径小溪潺潺流过，溅入坡下塘中。溪畔有一汉子舞剑正酣。不打扰的为妙。";
+this.exits = { "northdown": "huashan/qiaobi", "south": "huashan/pingdi" };