docs(readme): CLI 5 message

imhoffd · imhoffd · commit dae45e986042 · 2019-05-03T14:31:08.000-05:00
diff --git a/README.md b/README.md
@@ -6,6 +6,14 @@
 
 The Ionic command line interface (CLI) is your go-to tool for developing [Ionic][ionic-homepage] apps.
 
+#### Want to try CLI 5 (beta)? :hatching_chick:
+
+* Details :point_right: [#3915](https://github.com/ionic-team/ionic-cli/issues/3915#issue-423328190)
+* `npm install -g ionic@beta`
+* Leave feedback by creating issues :blush:
+
+---
+
 ### Installation
 
 ```
