Enhance Indonesian translation (review assistance requested) (EbookFo…

…undation#10393)

* enhance indonesian language translation for CONTRIBUTING-id.md

* enhance indonesian language translation for HOWTO-id.md

* re-paraphrase

* fix typo and resolve comments

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Daffa Muhammad Faizan <112247545+daffafaizan@users.noreply.github.com>

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Harryanto Winsen <harry.winsen@yahoo.com>

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Harryanto Winsen <harry.winsen@yahoo.com>

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Harryanto Winsen <harry.winsen@yahoo.com>

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Fityan <fityannugroho@gmail.com>

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Fityan <fityannugroho@gmail.com>

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Harryanto Winsen <harry.winsen@yahoo.com>

* Update docs/CONTRIBUTING-id.md

Co-authored-by: Harryanto Winsen <harry.winsen@yahoo.com>

---------

Co-authored-by: Eric Hellman <eric@hellman.net>
Co-authored-by: Daffa Muhammad Faizan <112247545+daffafaizan@users.noreply.github.com>
Co-authored-by: Harryanto Winsen <harry.winsen@yahoo.com>
Co-authored-by: Fityan <fityannugroho@gmail.com>