Be able to tag requests with labels as easier way to provide business metrics

lib/api/template/tile-template-controller.js

@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const coordinates = require('../middlewares/coordinates');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
@@ -37,6 +38,7 @@ module.exports = class TileTemplateController {
 
     middlewares () {
         return [
+            tag({ tags: ['tile', 'named'] }),
             coordinates(),
             credentials(),
             authorize(this.authBackend),