Add ActionMailer to inform admins about new screenshots

This version only informs Christoph as a test

app/mailers/admin_mailer.rb

@@ -0,0 +1,9 @@
+class AdminMailer < ApplicationMailer
+  default from: 'notifications@mentors.debian.net'
+
+  def new_uploads_email
+    @package = params[:package]
+    #@url  = 'http://example.com/login'
+    mail(to: 'email@christoph-haas.de', subject: 'Please moderate new screenshot uploads')
+  end  
+end

app/mailers/application_mailer.rb

@@ -0,0 +1,5 @@
+class ApplicationMailer < ActionMailer::Base
+  default from: 'from@example.com'
+  layout 'mailer'
+end
+