* correct bengali language code
* fix language code, replace spanish links with english
* lint
* greek language code is el not gr
* language code for Korean is ko not kr
* Create HOWTO-id.md
* add HOWTO-id.md link
* add HOWTO-id.md link
* Update CONTRIBUTING-de.md
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* add HOWTO-id.md link
* Created Code of Conduct in German
* Created HOWTO in German
* Added German option to HOWTO-es
* Added German option to HOWTO-fa_IR
* Added German option to HOWTO-fr
* Added German option to HOWTO-hi
* Added German option to HOWTO-pt_BR
* Added German option to HOWTO-ru
* Added German option to HOWTO-zh
* Added German option to HOWTO-zh-TW
* Added German option to HOWTO
* Create HOWTO.md in Spanish
Translate to spanish
https://github.com/EbookFoundation/free-programming-books/blob/master/HOWTO.md
* Fix minor translation errors
* Translate links of external resources
* Rename HOWTO.es.md to HOWTO-es.md
* Minor translation fixes
* Link to HOWTO-es.md
* Link to HOWTO-es.md
* Link to HOWTO-es.md
* Link to HOWTO-es.md
* Link to HOWTO-es.md
* Link to HOWTO-es.md