Add Slovak locale

app/assets/javascripts/locales/sk.js.erb

@@ -0,0 +1,9 @@
+//= depend_on 'client.sk.yml'
+//= require locales/i18n
+<%= JsLocaleHelper.output_locale(:sk) %>
+
+I18n.pluralizationRules['sk'] = function (n) {
+  if (n == 1) return "one";
+  if (n >= 2 && n <= 4) return "few";
+  return "other";
+};