add deployment of updater

manifests/init.pp

@@ -162,6 +162,11 @@ class mastodon (
       }
     }
   }
+  file { '/usr/local/bin/update_mastodon.sh':
+    ensure => $ensure,
+    mode   => '0750',
+    source => 'puppet:///modules/mastodon/update_mastodon.sh',
+  }
   class { 'nodejs':
     repo_url_suffix => $nodejs_version,
   }