18F/dolores-landingham-slack-bot

<%= simple_form_for @employee do |form| %>
  <%= form.input :slack_username,
    required: true,
    pattern: '^[a-z0-9_.-]{1,21}$',
    input_html: { title: I18n.t('employees.errors.slack_username') } %>
  <%= form.input :started_on,
    input_html: { class: "date-time-select" },
    order: [:month, :day, :year] %>
  <%= form.input :time_zone, priority: /US/ %>
  <%= form.button :submit %>
<% end %>