v3.6.6

• Feature: Reconnect to Elasticsearch from Full Text Search Management
• Feature: Normalize indices of Elasticsearch from Full Text Search Management
• Improvement: Add 'spring' theme
• Improvement: Reactify admin pages (Notification)
• Impromvement: Add checkMiddlewaresStrictly option to Healthcheck API
• Improvement: Accessibility for History component under dark themes
• Fix: Warning on client console when developing /admin/app
• Support: Upgrade libs
  • react-bootstrap-typeahead