init: add workspace files

world/obj/sp/yz/qiantiao.js

@@ -0,0 +1,8 @@
+this.inherits(OBJ);
+this.set({
+    name: "欠条",
+    desc: "这是一张从流氓头身上搜出来的条子，上面歪歪扭扭的写着：\n因欠韦老板黄金5两，抵押本人武器拳套千斤拳一副，三日内凭此据赎回。赵三拳立",
+    unit: "张",
+    value: 0,
+    combined: false
+});