Update README.md

Author: dtvd

ArgoUsage.md

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+## How to use APIKit + Argo

HimotokiUsage.md

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+## How to use APIKit + Himotoki

ObjectMapperUsage.md

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+## How to use APIKit + ObjectMapper

README.md

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 # APIKitExt
+[![Build Status](https://travis-ci.org/DTVD/APIKitExt.svg?branch=master)](https://travis-ci.org/DTVD/APIKitExt)
 
-[![CI Status](http://img.shields.io/travis/Orakaro/APIKitExt.svg?style=flat)](https://travis-ci.org/DTVD/APIKitExt)
-[![Version](https://img.shields.io/cocoapods/v/APIKitExt.svg?style=flat)](http://cocoapods.org/pods/APIKitExt)
+Extensions for famous type-safe networking library [APIKit](https://github.com/ishkawa/APIKit), provides easy binding with various JSON serialization such as [ObjectMapper](https://github.com/Hearst-DD/ObjectMapper), [Argo](https://github.com/thoughtbot/Argo), [Himotoki](https://github.com/ikesyo/Himotoki) and also Reactive Extension for [RxSwift](https://github.com/ReactiveX/RxSwift) :tada:
 
-## Example
-
-To run the example project, clone the repo, and run `pod install` from the Example directory first.
-
-## Requirements
+## Requirement
+* Swift 3.0
+* iOS 8.0 or later
+* Mac OS 10.10 or later
+* watchOS 2.0 or later
+* tvOS 9.0 or later
 
 ## Installation
-
 APIKitExt is available through [CocoaPods](http://cocoapods.org). To install
 it, simply add the following line to your Podfile:
 
 ```ruby
 pod "APIKitExt"
 ```
 
-## Author
+# Usage
+Below are detailed explanations for each combination of APIKit and JSON serialization library. You can also check demo apps in Example folder. 
 
-Orakaro, [email protected]
+* [x] [APIKit + ObjectMapper](https://github.com/DTVD/APIKitExt/blob/master/ObjectMapperUsage.md)
+* [x] [APIKit + Argo](https://github.com/DTVD/APIKitExt/blob/master/ArgoUsage.md)
+* [x] [APIKit + Himotoki](https://github.com/DTVD/APIKitExt/blob/master/HimotokiUsage.md)
+* [ ] APIKit + SwiftyJSON
+* [ ] APIKit + ModelMapper
+* [ ] APIKit + JASON
+* [ ] APIKit + Unbox
 
-## License
+The demo app for APIKit + APIKitExt + Himotoki + RxSwift is following MVVM architecture with reactive unit test included. Check it out and have fun!
 
+<img src="http://i.imgur.com/QHqZqOA.png" width="400"/>
+
+
+## License
 APIKitExt is available under the MIT license. See the LICENSE file for more info.