Add a redirect stub because many projects link to old README

gaearon · web-flow · commit c217ea5aaa1d · 2016-09-19T15:41:46.000+03:00
diff --git a/template/README.md b/template/README.md
@@ -0,0 +1,4 @@
+This page has moved!  
+Please update your link to point [here](https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md) instead.
+
+Sorry for the inconvenience!
