* 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

* docs: Sync contents with en version HOWTO.md

* docs: Lint words to zh-TW

* docs: Sync contents with en version of CONTRIBUTING.md

* docs: Lint words to zh-TW

* 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