* Create CONTRIBUTING-es.md

Translate to spanish

https://github.com/EbookFoundation/free-programming-books/blob/master/CONTRIBUTING.md

* Add english title anchors and other formattings

- Indent code blocks placed inside lists
- Add original (English) bookmarks above each title to allow change between language easily
- Minor text translation improvements

* Link to CONTRIBUTING-es.md

* Link to CONTRIBUTING-es.md

* Link to CONTRIBUTING-es.md

* Link to CONTRIBUTING-es.md

* Link to CONTRIBUTING-es.md

* Create CONTRIBUTING-fa_IR.md

* Fix Incorrect number of blank lines

* fix "Marker style should be `*`"

for passing Travis-CI build

* add CONTRIBUTING-fa_IR link

* add CONTRIBUTING-fa_IR link

* add CONTRIBUTING-fa_IR link

* feat: translate CONTRIBUTING doc into zh-TW version

* feat: add link to other CONTRIBUTING

* add awesome_bot to check urls

* allow dupes

* make url checking dependent on commit message

* add web.archive.org to whitelist

cuz awesome_bot is having trouble with those links

* fix travis.yaml

* check urls

* need ruby

* another site to avoid

* check urls

* make regex more generic

* sudo deprecated

* make travis linter happy

check url

* try skip results

check url

* timeout was what was killing us

check url

* testing fixing urls

check url

* dont allow timeout

check url

* testing timeout

check url

* put fpb back

check url

* enable to check_urls on arbitrary files

check_urls:free-programming-books.md

* try again

check_urls:free-programming-books.md

* test again

check_urls:free-programming-books.md

* travis doesnt like :

check_urls=free-programming-books.md

* allow arbitrary number of files to be checked

check_urls=free-programming-books.md

* woops forgot to fix the trigger regex

check_urls=free-programming-books.md free-programming-books-en.md

* use for loop instead of xargs

check_urls=free-programming-books.md free-programming-books-en.md

* add documentation

* 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