* remove 2 ebook of [Linkers and Loaders], [Learn Python The Hard Way]. ref issue:#3091, #3062

* Add CONTRIBUTING file of chinese version.

* Format text, update some description

* translate contribution md file.

* Add open Issue ref link

* Update some description in CONTRIBUTING And CONTRIBUTING-zh file.

* Update some description of zh version CONTRIBUTING.

* format md code to pass Travis CI check

* Fix The Travis CI check issue

* Fix The Travis CI check issue

* Fix The Travis CI check issue

* format md file to pass TCI check.

* implement #2785

* also add link to our github.io site.

* remove dead link

fixes #2814

* add HOWTO for new contibutors, edit documentation

* edit

* add resource titles and delint

* implement #2357

* Jane Roe is an awesome writer

also, her website is secure!

* Python books: Formatting for multiple editions

* added ref to issue 2353

* .

and add to guidelines

And add to README intro

* Remove problematic links

* Fix according to comments

* Formatting

* add explicit multiple format example

in reference to https://github.com/vhf/free-programming-books/pull/2023

* .pdf link wasn't html doh

guidelines for adding multiple links to the same book