update contact email

app/helpers/application_helper.rb

@@ -2,4 +2,8 @@ module ApplicationHelper
   def time_ago(time)
     time_ago_in_words(time, scope: "datetime.distance_in_words.short")
   end
+
+  def contact_email
+    Settings.instance.contact_email
+  end
 end

app/views/includes/_footer.html.erb

@@ -11,7 +11,7 @@
             <%= link_to t('.home'), root_path %>
           </li>
           <li class="mt-3 mt-sm-2">
-            <%= link_to t('.contact'), "mailto:[email protected]" %>
+            <%= link_to t('.contact'), "mailto:#{contact_email}" %>
           </li>
           <li class="mt-3 mt-sm-2">
             <%= link_to t('.stories'), stories_path %>

config/initializers/settings.rb

@@ -0,0 +1,7 @@
+class Settings
+  include Singleton
+
+  def contact_email
+    ENV["DOMAIN_EMAIL_ADDRESS"]
+  end
+end