Add Dutch translation (nl) (#1682)

* Dutch language files for Ruby code

 * Created RoR translation ymls:
   * config/locales/devise.nl.yml
   * config/locales/doorkeeper.nl.yml
   * config/locales/nl.yml
   * config/locales/simple_form.nl.yml

 * Modified RoR config and helper
   * app/helpers/settings_helper.rb
   * config/application.rb

* Dutch language javascript locale

 * Created javascript locale files:
   * app/assets/javascripts/components/locales/index.jsx
   * app/assets/javascripts/components/locales/nl.jsx

 * Reference the newly created locale files:
   * app/assets/javascripts/components/containers/mastodon.jsx

* Fix syntax error in locale file (nl)

* Fix missing translate in js locale (nl)

* Convert all ruby Dutch locale (nl) file to utf8

Fix yml conversion issues.

* Fix duplicated key in devise.nl.yml

* Fix indentation error in doorkeeper.nl.yml

1 files changed, 2 insertions, 0 deletions

diff --git a/app/assets/javascripts/components/containers/mastodon.jsx b/app/assets/javascripts/components/containers/mastodon.jsx
index b9086de42..5cd727822 100644
--- a/app/assets/javascripts/components/containers/mastodon.jsx
+++ b/app/assets/javascripts/components/containers/mastodon.jsx
@@ -48,6 +48,7 @@ import fr from 'react-intl/locale-data/fr';
 import hu from 'react-intl/locale-data/hu';
 import ja from 'react-intl/locale-data/ja';
 import pt from 'react-intl/locale-data/pt';
+import nl from 'react-intl/locale-data/nl';
 import no from 'react-intl/locale-data/no';
 import ru from 'react-intl/locale-data/ru';
 import uk from 'react-intl/locale-data/uk';
@@ -76,6 +77,7 @@ addLocaleData([
   ...hu,
   ...ja,
   ...pt,
+  ...nl,
   ...no,
   ...ru,
   ...uk,