added new favicons

app/views/layouts/application.html.haml

@@ -7,6 +7,9 @@
     %meta{name: 'theme-color', content: '#0C84E4'}
     %meta{name: "apple-mobile-web-app-capable", content: "yes"}
     %meta{name: 'apple-mobile-web-app-status-bar-style', content: 'black-translucent'}
+    %link{rel: 'apple-touch-icon-precomposed', href: '/apple-touch-icon-precomposed.png'}
+    %link{rel: 'icon', href: '/images/favicon/favicon-16.png', sizes: '16x16'}
+    %link{rel: 'icon', href: '/images/favicon/favicon-32.png', sizes: '32x32'}
     %title= APP_CONFIG['site_name']
     = stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true
     = javascript_include_tag 'application', 'data-turbolinks-track' => true