Update README to mention build first and then start the storybook (#902)

Author: devalevenkatesh

README.md

@@ -62,12 +62,6 @@ git clone https://github.com/aws/amazon-chime-sdk-component-library-react.git
 npm install
 ```
 
-### To run the Storybook server locally
-
-```
-npm start
-```
-
 ### Build
 
 ```
@@ -76,6 +70,14 @@ npm run build
 
 Once you build, check and resolve any warnings you may get like unresolved dependencies or circular dependencies. Remove these as it will help in bundling the library warning/error free.
 
+### To run the Storybook server locally
+
+`amazon-chime-sdk-component-library-react` uses [Storybook](https://storybook.js.org/) for documentation.
+
+```
+npm start
+```
+
 ### Test
 
 Run all unit test suites.