Update translations

Add sardu

config/initializers/i18n.rb

@@ -27,6 +27,7 @@
   :'pt-PT' => "Português (Portugal)",
   ro: "Română",
   ru: "Русский",
+  sc: "Sardu",
   sk: "Slovenčina",
   sv: "Svenska",
   :'sv-FI' => "Svenska (Finland)",

config/locales/devise.sc.yml

@@ -0,0 +1,54 @@
+sc:
+  devise:
+    confirmations:
+      confirmed: ~
+      send_instructions: ~
+      send_paranoid_instructions: ~
+    failure:
+      already_authenticated: ~
+      inactive: ~
+      invalid: ~
+      invalid_token: ~
+      locked: ~
+      not_found_in_database: ~
+      timeout: ~
+      unauthenticated: ~
+      unconfirmed: ~
+    mailer:
+      confirmation_instructions:
+        subject: ~
+      reset_password_instructions:
+        subject: ~
+      unlock_instructions:
+        subject: ~
+    omniauth_callbacks:
+      failure: ~
+      success: ~
+    passwords:
+      no_token: ~
+      send_instructions: ~
+      send_paranoid_instructions: ~
+      updated: ~
+      updated_not_active: ~
+    registrations:
+      destroyed: ~
+      signed_up: ~
+      signed_up_but_inactive: ~
+      signed_up_but_locked: ~
+      signed_up_but_unconfirmed: ~
+      update_needs_confirmation: ~
+      updated: ~
+    sessions:
+      signed_in: ~
+      signed_out: ~
+    unlocks:
+      send_instructions: ~
+      send_paranoid_instructions: ~
+      unlocked: ~
+  errors:
+    messages:
+      already_confirmed: ~
+      confirmation_period_expired: ~
+      expired: ~
+      not_found: ~
+      not_locked: ~