The results of Guy Bedford's help

Egroupware will load into addressbook & show rows
Most base files should be bundled server-side & included
rollup.config.js controls the process

Still needs work:
- consider /dist directory for best-practice
- cleanup
- other built-in apps
- EPL / external apps need Guy's multi-stage work

api/js/etemplate/et2_core_xml.ts

@@ -8,7 +8,10 @@
  * @author Andreas Stöckel
  */
 
-import {egw} from "../jsapi/egw_global";
+import "../../../vendor/bower-asset/jquery/dist/jquery.min.js";
+import "../../../vendor/bower-asset/jquery-ui/jquery-ui.js";
+import "../jquery/jquery.noconflict.js";
+import {egw} from "../jsapi/egw_global.js";
 
 /**
  * Loads the given URL asynchronously from the server