Check id (Bahasa) locale and fix typos

Check locales by native and fix typos.

Project use [jekyll-multiple-languages-plugin](https://github.com/kurtsson/jekyll-multiple-languages-plugin). Each locale file are keeped in `_18n` folder.
For example `en` is located in `_18n/en.yml` file.

Project was translated by translation service not by human. So it can keep typos.

Need to check current issue language.

- Fork
- Create branch 176_id_locale
- Commit and create PR

Open the Indonesian locale in the `_18n` folder, following the example `_18n/en.yml` and the issue's `id` locale. Read the current translations for Indonesian typos, then commit the corrections on the requested branch and create a pull request; done means the locale has been reviewed and its typos are fixed.

Written by the indexing model from the issue text.