Enable ro and ta locales in Rails (#8583)

* Enable ro and ta locales in Rails

* Add Tamil and Romanian to language dropdown

app/helpers/settings_helper.rb

@@ -35,12 +35,14 @@ module SettingsHelper
     pl: 'Polszczyzna',
     pt: 'Português',
     'pt-BR': 'Português do Brasil',
+    ro: 'Limba română',
     ru: 'Русский',
     sk: 'Slovenčina',
     sl: 'Slovenščina',
     sr: 'Српски',
     'sr-Latn': 'Srpski (latinica)',
     sv: 'Svenska',
+    ta: 'தமிழ்',
     te: 'తెలుగు',
     th: 'ภาษาไทย',
     tr: 'Türkçe',

config/application.rb

@@ -69,12 +69,14 @@ module Mastodon
       :pl,
       :pt,
       :'pt-BR',
+      :ro,
       :ru,
       :sk,
       :sl,
       :sr,
       :'sr-Latn',
       :sv,
+      :ta,
       :te,
       :th,
       :tr,
@@ -85,6 +87,7 @@ module Mastodon
     ]
 
     config.i18n.default_locale = ENV['DEFAULT_LOCALE']&.to_sym
+
     unless config.i18n.available_locales.include?(config.i18n.default_locale)
       config.i18n.default_locale = :en
     end