chore(polyfill): added the polyfill loader in order to check if it's needed to polyfill the browser or not

Author: lakatosandrei

src/apps/info/index.ts

@@ -179,7 +179,7 @@ export default class InfoApp implements App, Servable {
           tag: pkg.version
         },
         js: this.support.externals.js.concat([
-          '//cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.0.2/webcomponents-bundle.js',
+          '//unpkg.com/@webcomponents/webcomponentsjs@2.0.0/webcomponents-loader.js',
           '//cdn.jsdelivr.net/sockjs/1/sockjs.min.js',
           `/${InfoApp.BUNDLE}`
         ]),

src/apps/item/index.ts

@@ -129,7 +129,7 @@ export default class ItemApp implements App, Servable {
           session: this.session.array
         },
         js: this.support.externals.js.concat([
-          '//cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.0.2/webcomponents-bundle.js',
+          '//unpkg.com/@webcomponents/webcomponentsjs@2.0.0/webcomponents-loader.js',
           '//cdn.jsdelivr.net/sockjs/1/sockjs.min.js',
           `/${ItemApp.BUNDLE}`
         ])