* Add Excel-vba Ebook repo.
* Add VBA Eboob Repo. and fix incorrect menu link.
* fix Wrong format line
* Fix incorrect markdown syntax.
* Refactor DB and Javascript menu ZH version md file.
Move 'MySQL, NoSQL, PostgreSQL' under menu: Language Agnostic(语言相关),
Delete a book link of [Google JSON 风格指南], it's a multiple repo. with [JSON 风格指南], 2 link is point to the same one page.
* Delete multiple ebook link
D1. [Redis 设计与实现](http://redisbook.com), wiich is the same as menu: NoSQL -> [Redis 设计与实现](http://redisbook.com)
D2. [The Little MongoDB Book 中文版](https://github.com/justinyhuang/the-little-mongodb-book-cn) wiich is the same as menu: NoSQL -> [The Little MongoDB Book](https://github.com/justinyhuang/the-little-mongodb-book-cn/blob/master/mongodb.md)
* Update comments description.
* remove multiple ebook link
* Fix machine chek issue(fix mistake link location of PostgreSQL)
* FIX machine checking [Do not use headings with similar content (544:1)]
* Fix machine checking [359:1-361:78 warning Alphabetical ordering: swap l.361 and l.360 alphabetize-lists]
* Update license warpping length to 80 characters.