[frontend] Add metrict to Event::DeleteProject

Now we track this event in influxdb through rabbitmq

Co-authored-by: Ana María Martínez Gómez <ammartinez@suse.de>
Co-authored-by: David Kang <dkang@suse.com>

src/api/app/models/event/delete_project.rb

@@ -7,6 +7,16 @@ class DeleteProject < Base
     def self.message_bus_routing_key
       'project.delete'
     end
+
+    private
+
+    def metric_tags
+      { home: ::Project.home?(payload['project']) }
+    end
+
+    def metric_fields
+      { value: 1 }
+    end
   end
 end