init: add workspace files

world/map/yz/hy/tongdao.js

@@ -0,0 +1,8 @@
+this.inherits(ROOM);
+this.name = "甬道"
+this.desc = "这是一个碎石铺就的狭长甬道，两侧火把照明，墙根暗处有箭孔，地面散落着生锈的兵器。通道尽头有些亮光，出口就在前方。";
+this.exits = { "up": "yz/hy/jiaochang1" };
+
+this.on_enter = function (me) {
+
+}