add ember-notify to readme

Author: lifeart

readme.md

@@ -88,6 +88,8 @@ yarn dev
 1. `ember-assign-helper`
 1. `ember-element-helper`
 1. `ember-page-title`
+1. `ember-notify`
+1. `ember-ref-bucket`
 
 [(see code for samples)](https://github.com/lifeart/demo-ember-vite/tree/master/src/addons)