[NO-JIRA] Add changelog link to main README (#38)

Author: George Gillams

README.md

@@ -2,4 +2,14 @@
 
 **This is a fork of Facebook's [Create React App](https://github.com/facebook/create-react-app).**
 
-Please see refer to the `react-scripts` package [readme](packages/react-scripts/README.md) for details on how to use backpack-react-scripts.
+Files of interest:
+ - [README](packages/react-scripts/README.md)
+ - [CHANGELOG](packages/react-scripts/CHANGELOG.md)
+
+Note that this repo also contains the following packages:
+ - [babel-preset-react-app](packages/babel-preset-react-app/)
+ - [create-react-app](packages/create-react-app/)
+ - [eslint-config-react-app](packages/eslint-config-react-app/)
+ - [react-dev-utils](packages/react-dev-utils/)
+ - [react-error-overlay](packages/react-error-overlay/)
+