Adding arabic string localization (rebased) (#1895)

* Create ar.jsx

* Preparing file for translation.

* Create ar.yml

* Preparing file for translation.

* Create simple_form.ar.yml

* Preparing file for translation.

* Create devise.ar.yml

* Preparing file for translation.

* Create doorkeeper.ar.yml

* Preparing file for translation.

* Update index.jsx

Preparing file for translation.

* Update mastodon.jsx

* Preparing file to translation.
* Correction thanks to @Taekiro
  https://github.com/tootsuite/mastodon/pull/1798#pullrequestreview-32924922

* Update settings_helper.rb

Preparing file to translation.

* Update application.rb

* Preparing file to translation.

* Update simple_form.ar.yml

* Update doorkeeper.ar.yml

* Update devise.ar.yml

* Update ar.yml

* Fix i18n-tasks unused issue (ar)

Remove unused translation strings

* Update application.rb

* Update ar.jsx

* Fix various issues with Arabic translation

* Fix duplication caused in merge
* Fix syntax error in devise.ar.yml
* Fix import error Duplicated incorrect import in mastodon.jsx
* Fix duplication error in locales/index.jsx

* Update ar.yml

* Update ar.jsx

* Update ar.yml

* Update ar.jsx

* Fix ar translation

3 files changed, 76 insertions, 0 deletions

diff --git a/app/assets/javascripts/components/containers/mastodon.jsx b/app/assets/javascripts/components/containers/mastodon.jsx
index 6aae23b62..e2b91e5dd 100644
--- a/app/assets/javascripts/components/containers/mastodon.jsx
+++ b/app/assets/javascripts/components/containers/mastodon.jsx
@@ -42,6 +42,7 @@ import Blocks from '../features/blocks';
 import Mutes from '../features/mutes';
 import Report from '../features/report';
 import { IntlProvider, addLocaleData } from 'react-intl';
+import ar from 'react-intl/locale-data/ar';
 import en from 'react-intl/locale-data/en';
 import de from 'react-intl/locale-data/de';
 import eo from 'react-intl/locale-data/eo';
@@ -76,6 +77,7 @@ const browserHistory = useRouterHistory(createBrowserHistory)({
 
 addLocaleData([
   ...en,
+  ...ar,
   ...de,
   ...eo,
   ...es,
diff --git a/app/assets/javascripts/components/locales/ar.jsx b/app/assets/javascripts/components/locales/ar.jsx
new file mode 100644
index 000000000..f72eb826f
--- /dev/null
+++ b/app/assets/javascripts/components/locales/ar.jsx
@@ -0,0 +1,72 @@
+const ar = {
+  "column_back_button.label": "العودة الى الوراء",
+  "lightbox.close": "إغلاق",
+  "loading_indicator.label": "تحميل ...",
+  "status.mention": "أذكُر @{name}",
+  "status.delete": "إحذف",
+  "status.reply": "ردّ",
+  "status.reblog": "رَقِّي",
+  "status.favourite": "Favourite",
+  "status.reblogged_by": "{name} رقى",
+  "status.sensitive_warning": "محتوى حساس",
+  "status.sensitive_toggle": "اضغط للعرض",
+  "status.show_more": "أظهر المزيد",
+  "status.show_less": "إعرض أقلّ",
+  "status.open": "وسع هذه المشاركة",
+  "status.report": "إبلِغ عن @{name}",
+  "video_player.toggle_sound": "تبديل الصوت",
+  "account.mention": "أُذكُر @{name}",
+  "account.edit_profile": "تعديل الملف الشخصي",
+  "account.unblock": "إلغاء الحظر عن @{name}",
+  "account.unfollow": "إلغاء المتابعة",
+  "account.block": "حظر @{name}",
+  "account.follow": "إتبع",
+  "account.posts": "المشاركات",
+  "account.follows": "يتبع",
+  "account.followers": "المتابعون",
+  "account.follows_you": "يتابعك",
+  "account.requested": "في انتظار الموافقة",
+  "getting_started.heading": "إستعدّ للبدء",
+  "getting_started.about_addressing": "يمكنك متابعة الأشخاص إذا كنت تعرف اسم المستخدم الخاص بهم والنطاق الذي هم عليه عن طريق إدخال عنوان شبيه بالبريد الإلكتروني في الحقل المخصص للبحث.",
+  "getting_started.about_shortcuts": "إذا كان المستخدم المستهدف في نفس النطاق الذي تستخدمه، فإسم المستخدم وحده يكفي. وتنطبق نفس القاعدة على ذكر الأشخاص في المنشورات و التبويقات.",
+  "getting_started.open_source_notice": "ماستدون برنامج مفتوح المصدر. يمكنك المساهمة، أو الإبلاغ عن تقارير الأخطاء، على GitHub {github}. {apps}.",
+  "column.home": "الرئيسية",
+  "column.community": "القائمة الزمنية المحلية",
+  "column.public": "القائمة الزمنية الفيدرالية",
+  "column.notifications": "الإشعارات",
+  "tabs_bar.compose": "تحرير",
+  "tabs_bar.home": "الرئيسية",
+  "tabs_bar.mentions": "الإشارات",
+  "tabs_bar.public": "القائمة الزمنية الفيدرالية",
+  "tabs_bar.notifications": "الإشعارات",
+  "compose_form.placeholder": "ماذا يدور في ذهنك ؟",
+  "compose_form.publish": "بَوِّق",
+  "compose_form.sensitive": "ضع علامة حساس على الوسائط",
+  "compose_form.spoiler": "إخفاء النص وراء تحذير",
+  "compose_form.private": "ضع علامة خاص",
+  "compose_form.privacy_disclaimer": "Your private status will be delivered to mentioned users on {domains}. Do you trust {domainsCount, plural, one {that server} other {those servers}}? Post privacy only works on Mastodon instances. If {domains} {domainsCount, plural, one {is not a Mastodon instance} other {are not Mastodon instances}}, there will be no indication that your post is private, and it may be boosted or otherwise made visible to unintended recipients.",
+  "compose_form.unlisted": "لا تعرض على الخيوط الزمنية العامة",
+  "navigation_bar.edit_profile": "تعديل الملف الشخصي",
+  "navigation_bar.preferences": "التفضيلات",
+  "navigation_bar.community_timeline": "القائمة الزمنية المحلية",
+  "navigation_bar.public_timeline": "القائمة الزمنية الفيدرالية",
+  "navigation_bar.logout": "خروج",
+  "reply_indicator.cancel": "إلغاء",
+  "search.placeholder": "ابحث",
+  "search.account": "حساب",
+  "search.hashtag": "وسم",
+  "upload_button.label": "إضافة وسائط",
+  "upload_form.undo": "إلغاء",
+  "notification.follow": "{name} يتبعك",
+  "notification.favourite": "{name} أعجب بمنشورك",
+  "notification.reblog": "{name} قام بترقية تبويقك",
+  "notification.mention": "{name} ذكرك",
+  "notifications.column_settings.alert": "إشعارات سطح المكتب",
+  "notifications.column_settings.show": "إعرِضها في عمود",
+  "notifications.column_settings.follow": "متابعُون جُدُد :",
+  "notifications.column_settings.favourite": "المُفَضَّلة :",
+  "notifications.column_settings.mention": "الإشارات :",
+  "notifications.column_settings.reblog": "الترقيّات:",
+};
+
+export default ar;
diff --git a/app/assets/javascripts/components/locales/index.jsx b/app/assets/javascripts/components/locales/index.jsx
index 14c76ea23..9bda9a83e 100644
--- a/app/assets/javascripts/components/locales/index.jsx
+++ b/app/assets/javascripts/components/locales/index.jsx
@@ -1,3 +1,4 @@
+import ar from './ar';
 import en from './en';
 import de from './de';
 import es from './es';
@@ -22,6 +23,7 @@ import bg from './bg';
 import id from './id';
 
 const locales = {
+  ar,
   en,
   de,
   es,