更新电子书封面和introduce

Signed-off-by: Harry Twan <gua@desgard.com>

SUMMARY.md

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+# Summary
+
+* [Introduction](README.md)
+

source/README.md

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-> 2016.9.23: 已经更新到 Swift 3.0。
+# 文档翻译 & 校对工作记录
-# 3.0 更新说明
+
-Swift 3.0 是自 Swift 开源以来第一个大的版本更新。从语言角度不兼容之前的 Swift 2.2 和 Swift 2.3 版本。Swift 3.0 的更新说明，大家可以查看[官方 blog 的说明](https://swift.org/blog/swift-3-0-released/)，也可以关注 [SwiftGG](http://swift.gg) 最新的文章。学习官方文档，是掌握语言特性点的最佳途径，感谢翻译的小伙伴们为 Swift 社区所做贡献！
+Swift 官方文档中文翻译工作由[numbbbbb](https://github.com/numbbbbb)发起并主导，该工作已经得到了苹果官方的认可。下面是各个版本官方文档翻译和校对工作的主要贡献者，排名不分先后。
+
+## Swift 5.x 主要贡献者
+
+- [Adolf-L](https://github.com/Adolf-L)
+- [BigNerdCoding](https://github.com/bignerdcoding)
+- [bqlin](https://github.com/bqlin)
+- [Byelaney](https://github.com/Byelaney)
+- [CMB](https://github.com/chenmingbiao)
+- [DarrenChen123](https://github.com/DarrenChen123)
+- [dzyding](https://github.com/dzyding)
+- [Hale](https://github.com/wuqiuhao)
+- [jojotov](https://github.com/jojotov)
+- [Khala-wan](https://github.com/Khala-wan)
+- [Nemocdz](https://github.com/Nemocdz)
+- [numbbbbb](https://github.com/numbbbbb)
+- [WAMaker](https://github.com/WAMaker)
+- [Yousanflics](https://github.com/Yousanflics)
+
+## Swift 4.x 主要贡献者
+
+- [Adolf-L](https://github.com/Adolf-L)
+- [BigNerdCoding](https://github.com/bignerdcoding)
+- [bqlin](https://github.com/bqlin)
+- [Cee](https://github.com/Cee)
+- [CMB](https://github.com/chenmingbiao)
+- [Damonwong](https://github.com/Damonvvong)
+- [Desgard](https://github.com/Desgard)
+- [dzyding](https://github.com/dzyding)
+- [EyreFree](https://www.eyrefree.org/)
+- [Forelas](https://github.com/ForelaxX)
+- [Hale](https://github.com/wuqiuhao)
+- [kemchenj](https://kemchenj.github.io)
+- [jojotov](https://github.com/jojotov)
+- [Meler](https://github.com/pmtao)
+- [mobilefellow](https://github.com/mobilefellow)
+- [muhlenXi](https://github.com/muhlenxi)
+- [mylittleswift](https://github.com/mylittleswift)
+- [Nemocdz](https://github.com/Nemocdz)
+- [numbbbbb](https://github.com/numbbbbb)
+- [rain2540](https://github.com/rain2540)
+- [Rsenjoyer](https://github.com/Rsenjoyer)
+- [WAMaker](https://github.com/WAMaker)
+- [YiYiZheng](https://github.com/YiYiZheng)
+- [ZhangChi](https://github.com/zhangchi25806)
+
+## Swift 3.x 主要贡献者
+
+- [bqlin](https://github.com/bqlin)
+- [chenmingjia](https://github.com/chenmingjia)
+- [CMB](https://github.com/chenmingbiao)
+- [crayygy](https://github.com/crayygy)
+- [kemchenj](https://kemchenj.github.io)
+- [Lanford](https://github.com/LanfordCai)
+- [mmoaay](https://github.com/mmoaay)
+- [mylittleswift](https://github.com/mylittleswift)
+- [qhd](https://github.com/qhd)
+- [shanks](https://github.com/shanksyang)
+
+## Swift 2.x 主要贡献者
+
+- [100mango](https://github.com/100mango)
+- [175](https://github.com/Brian175)
+- [BridgeQ](https://github.com/WXGBridgeQ)
+- [buginux](https://github.com/buginux)
+- [Cee](https://github.com/Cee)
+- [Channe](https://github.com/Channe)
+- [CMB](https://github.com/chenmingbiao)
+- [DianQK](https://github.com/DianQK)
+- [dreamkidd](https://github.com/dreamkidd)
+- [EudeMorgen](https://github.com/EudeMorgen)
+- [futantan](https://github.com/futantan)
+- [JackAlan](https://github.com/AlanMelody)
+- [KYawn](https://github.com/KYawn)
+- [Lanford](https://github.com/LanfordCai)
+- [Lenhoon](https://github.com/Lenhoon)
+- [littledogboy](https://github.com/littledogboy)
+- [LinusLing](https://github.com/linusling)
+- [lyojo](https://github.com/lyojo)
+- [miaosiqi](https://github.com/miaosiqi)
+- [mmoaay](https://github.com/mmoaay)
+- [overtrue](https://github.com/overtrue)
+- [pmst](https://github.com/colourful987)
+- [Prayer](https://github.com/futantan)
+- [qhd](https://github.com/qhd)
+- [ray16897188](https://github.com/ray16897188)
+- [Realank](https://github.com/realank)
+- [saitjr](https://github.com/saitjr)
+- [SergioChan](https://github.com/SergioChan)
+- [shanks](https://github.com/shanksyang)
+- [SketchK](https://github.com/SketchK)
+- [SkyJean](https://github.com/SkyJean)
+- [wardenNScaiyi](https:github.com/wardenNScaiyi)
+- [xtymichael](https://github.com/xtymichael)
+- [yangsiy](https://github.com/yangsiy)
+- [星夜暮晨](https://github.com/semperidem)
+- [小铁匠 Linus](https://github.com/kevin833752)
+
+## Swift 1.x 主要贡献者
+
+- [bruce0505](https://github.com/bruce0505)
+- [changkun](http://changkun.us/about/)
+- [ChildhoodAndy](http://childhood.logdown.com)
+- [coverxit](https://github.com/coverxit)
+- [dabing1022](https://github.com/dabing1022)
+- [EvilCome](https://github.com/Evilcome)
+- [feiin](https://github.com/feiin)
+- [fd5788](https://github.com/fd5788)
+- [geek5nan](https://github.com/geek5nan)
+- [happyming](https://github.com/happyming)
+- [Hawstein](https://github.com/Hawstein)
+- [honghaoz](https://github.com/honghaoz)
+- [JaceFu](http://www.devtalking.com/)
+- [Jasonbroker](https://github.com/Jasonbroker)
+- [JaySurplus](https://github.com/JaySurplus)
+- [Lenhoon](https://github.com/marsprince)
+- [lifedim](https://github.com/lifedim)
+- [Lin-H](https://github.com/Lin-H)
+- [lslxdx](https://github.com/lslxdx)
+- [LunaticM](https://github.com/LunaticM)
+- [lyuka](https://github.com/lyuka)
+- [marsprince](https://github.com/marsprince)
+- [menlongsheng](https://github.com/menlongsheng)
+- [NicePiao](https://github.com/NicePiao)
+- [numbbbbb](https://github.com/numbbbbb)
+- [pp-prog](https://github.com/pp-prog)
+- [sg552](https://github.com/sg552)
+- [stanzhai](https://github.com/stanzhai)
+- [shinyzhu](https://github.com/shinyzhu)
+- [superkam](https://github.com/superkam)
+- [takalard](https://github.com/takalard)
+- [TimothyYe](https://github.com/TimothyYe)
+- [vclwei](https://github.com/vclwei)
+- [wh1100717](https://github.com/wh1100717)
+- [xiehurricane](https://github.com/xiehurricane)
+- [XieLingWang](https://github.com/xielingwang)
+- [yangsiy](https://github.com/yangsiy)
+- [yankuangshi](https://github.com/yankuangshi)
+- [yeahdongcn](https://github.com/yeahdongcn)
+- [yangsiy](https://github.com/yangsiy)
+- [zqp](https://github.com/zqp)
+- [成都老码团队翻译组-Arya](http://weibo.com/littlekok/)
+- [成都老码团队翻译组-Oberyn](http://weibo.com/u/5241713117)
+
 
-# 3.0 译者记录
-相关[issue](https://github.com/numbbbbb/the-swift-programming-language-in-chinese/issues/628)
-- Functions: [crayygy](https://github.com/crayygy)
-- Control Flow: [Realank](https://github.com/Realank)
-- Closures: [LanfordCai](https://github.com/LanfordCai)
-- Protocols: [chenmingbiao](https://github.com/chenmingbiao)
-- The Basics:[chenmingbiao](https://github.com/chenmingbiao)
-- Advanced Operators: [mmoaay](https://github.com/mmoaay)
 
-Language Reference:
-- Attributes: [WhoJave](https://github.com/WhoJave)
-- Statements: [chenmingjia](https://github.com/chenmingjia)
-- Declarations: [chenmingjia](https://github.com/chenmingjia)
-- Expressions: [chenmingjia](https://github.com/chenmingjia)
-- Types: [lettleprince](https://github.com/lettleprince)
-- Generic Parameters and Arguments: [chenmingjia](https://github.com/chenmingjia)
 
-感谢阅读！