Add attributes to open deployed pages in new tab

app/views/projects/pages/_access.html.haml

@@ -7,9 +7,15 @@
         %strong
           = _("Your pages are served under:")
 
-      %p= link_to @project.pages_url, @project.pages_url
+      %p
+        = link_to @project.pages_url, target: :_blank, rel: 'noopener noreferrer' do
+          = @project.pages_url
+          = icon('external-link')
 
       - @project.pages_domains.each do |domain|
-        %p= link_to domain.url, domain.url
+        %p
+          = link_to domain.url, target: :_blank, rel: 'noopener noreferrer' do
+            = domain.url
+            = icon('external-link')
     .card-footer.alert-primary
       = _("It may take up to 30 minutes before the site is available after the first deployment.")