updates readme

Author: alexlobera

README.md

@@ -8,7 +8,27 @@ You need to have `node`and `npm`installed in your computer.
 
 ## Getting started:
 
-`git clone git@github.com:leanjscom/thinking-in-react.git && cd thinking-in-react && yarn install && yarn start`
+`git clone git@github.com:leanjscom/thinking-in-react.git && cd thinking-in-react && npm install && npm start`
+
+## Exercise
+
+1- Refactor the “about” and “footer” sections by creating a stateless component for each. Make sure everything works.
+
+
+2- Refactor the navbar by creating a stateless component and pass the dependencies via props. Make sure everything works.
+
+
+3- Refactor the books section by creating a stateless component and pass the dependencies via props. Make sure everything works.
+
+
+4- Is there any state in app that should be in the Books component?  Refactor <Books> books if appropriate. Should <Books> be a stateless component or a class now?
+
+
+5- Break <Books> down into  <BookList> and <BookFilter>
+
+
+6- What do you think it would make sense to componentize next? Are there any parts on that view that you can reuse? Try to explain to a mentor what you want to refactor before you code :)
+
 
 ## License