init: add workspace files

world/map/wd/wuya.js

@@ -0,0 +1,4 @@
+this.inherits(ROOM);
+this.name = "乌鸦岭"
+this.desc = "这是武当的乌鸦岭，从前是一片乱葬岗，山路崎岖狭隘，一边是峭壁，一边是悬崖。高高的天柱峰笼罩在云雾中，隐约可见。可是身旁的进香客和游人都仔细地町着自己的脚下，不敢抬头望一眼，惟恐一不小心摔下去。";
+this.exits = { "southdown": "wd/nanyan", "northup": "wd/wulao" };