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/jsapi/egw_json.js

@@ -17,7 +17,7 @@
 	egw_files;
 	egw_debug;
 */
-import './egw_core.js';
+import './egw.js';
 import './egw_utils.js';
 
 /**