Modify README

Author: KevinHM

README.md

@@ -15,4 +15,42 @@ Functional reactive programming introduction using ReactiveCocoa - By AshFurrow
 
 如果在阅读过程中发现有什么问题，请到[这里](https://github.com/KevinHM/FunctionalReactiveProgrammingOniOS)(本书在Github上的地址)开issue,我会尽快改正。
 
-2015.05.30 电子书制作过程中，章节可能会不断添加和修改或者合并。
+
+以下为本书的目录索引：
+===
+
+* [致谢](chapter1/acknowledagements.md)
+* [理念](chapter2/philosophy.md)
+   * [函数式反应型编程](chapter2/functional_reactive_programming.md)
+   * [结论](chapter2/conclusion.md)
+* [用RXCollections进行函数式编程](chapter3/functional_programming_with_RXCollections.md)
+   * [高阶函数](chapter3/Higher_Order_Functions.md)
+   * [使用RXCollections](chapter3/installing_RXCollections.md)
+   * [映射](chapter3/map.md)
+   * [过滤](chapter3/filter.md)
+   * [折叠](chapter3/fold.md)
+   * [性能](chapter3/performance.md)
+   * [总结](chapter3/conclusion.md)
+* [ReactiveCocoa 简介](chapter4/introduction_to_reactivecocoa.md)
+   * [使用ReactiveCocoa](chapter4/installing_reactivecocoa.md)
+   * [流和序列](chapter4/streams_and_sequences.md)
+   * [信号](chapter4/signals.md)
+   * [订阅](chapter4/subscriptions.md)
+   * [状态推导](chapter4/deriving_state.md)
+   * [指令](chapter4/commands.md)
+   * [RACSubject](chapter4/racsubject.md)
+   * [热信号与冷信号](chapter4/hot_and_cold_signals.md)
+   * [组播](chapter4/multicasting.md)
+   * [总结](chapter4/conclusion.md)
+* [ReactiveCocoa的实践](chapter5/reactivecocoa_practice.md)
+   * [FunctionalReactivePixels的基础知识](chapter5/basic_of_functionalReactivePixels.md)
+   * [添加FunctionalReactivePixels](chapter5/adding_to_functionalReactivePixels.md)
+   * [和FunctionalReactivePixels一起实践](chapter5/revisiting_functionalReactivePixels.md)
+   * [网络层回访](chapter5/networking_layer_revisited.md)
+   * [总结](chapter5/conclusion.md)
+* [MVVM On iOS](chapter6/mvvm_on_ios.md)
+   * [什么是MVVM](chapter6/what_is_mvvm.md)
+   * [重温FunctionalReactivePixels](chapter6/revisiting_functionalReactivePixels.md)
+   * [MVVM的具体实践](chapter6/mvvm_in_practice.md)
+   * [测试ViewModels](chapter6/testing_viewModels.md)
+   * [终稿](chapter6/final_thoughts.md)