Merge pull request #3 from microservices-demo/docs/redesign

Add redesign image.

Author: Phil Winder

Orders-flow.png

@@ -13,3 +13,10 @@ This build is built, tested and released by travis.
 
 # Push
 `GROUP=weaveworksdemos COMMIT=test ./scripts/push.sh`
+
+## Redesign
+
+This microservices will shortly go through a redesign to allow for
+multi-step checkouts. A rough sketch of the flow is below:
+
+![Orders flow](./Orders-flow.png)