init: add workspace files

world/obj/book/wd.js

@@ -0,0 +1,11 @@
+this.inherits(OBJ);
+this.set({
+    unit: "份",
+    name: "武道残页",
+    desc: "一本武功秘籍碎片，需要十份残页就可以合成一本完整的武道秘籍。",
+    combine_to: "book/wudao",
+    combine_count: 10,
+    grade: 5
+});
+
+this.otype = 1;