Update language selector in Preferences with all languages

app/soapbox/features/preferences/index.js

@@ -15,6 +15,68 @@ import {
 } from 'soapbox/features/forms';
 import SettingsCheckbox from './components/settings_checkbox';
 
+const languages = {
+  en: 'English',
+  ar: 'العربية',
+  ast: 'Asturianu',
+  bg: 'Български',
+  bn: 'বাংলা',
+  ca: 'Català',
+  co: 'Corsu',
+  cs: 'Čeština',
+  cy: 'Cymraeg',
+  da: 'Dansk',
+  de: 'Deutsch',
+  el: 'Ελληνικά',
+  eo: 'Esperanto',
+  es: 'Español',
+  eu: 'Euskara',
+  fa: 'فارسی',
+  fi: 'Suomi',
+  fr: 'Français',
+  ga: 'Gaeilge',
+  gl: 'Galego',
+  he: 'עברית',
+  hi: 'हिन्दी',
+  hr: 'Hrvatski',
+  hu: 'Magyar',
+  hy: 'Հայերեն',
+  id: 'Bahasa Indonesia',
+  io: 'Ido',
+  it: 'Italiano',
+  ja: '日本語',
+  ka: 'ქართული',
+  kk: 'Қазақша',
+  ko: '한국어',
+  lt: 'Lietuvių',
+  lv: 'Latviešu',
+  ml: 'മലയാളം',
+  ms: 'Bahasa Melayu',
+  nl: 'Nederlands',
+  no: 'Norsk',
+  oc: 'Occitan',
+  pl: 'Polski',
+  pt: 'Português',
+  'pt-BR': 'Português do Brasil',
+  ro: 'Română',
+  ru: 'Русский',
+  sk: 'Slovenčina',
+  sl: 'Slovenščina',
+  sq: 'Shqip',
+  sr: 'Српски',
+  'sr-Latn': 'Srpski (latinica)',
+  sv: 'Svenska',
+  ta: 'தமிழ்',
+  te: 'తెలుగు',
+  th: 'ไทย',
+  tr: 'Türkçe',
+  uk: 'Українська',
+  zh: '中文',
+  'zh-CN': '简体中文',
+  'zh-HK': '繁體中文（香港）',
+  'zh-TW': '繁體中文（臺灣）',
+};
+
 const messages = defineMessages({
   heading: { id: 'column.preferences', defaultMessage: 'Preferences' },
 });
@@ -62,7 +124,7 @@ class Preferences extends ImmutablePureComponent {
           <FieldsGroup>
             <SelectDropdown
               label='Language'
-              items={{ en: 'English', es: 'Español', fr: 'Français' }}
+              items={languages}
               defaultValue={settings.get('language')}
               onChange={this.onSelectChange(['locale'])}
             />