fix(docs): Fix broken README links

Author: tlabaj

README.md

@@ -37,7 +37,7 @@ Using PatternFly 3? Take a look at the [PatternFly 3 React component information
 |   [@patternfly/react-inline-edit-extension](./packages/react-inline-edit-extension/README.md) | Table inline edit extension |
 |   [@patternfly/react-virtualized-extension](https://github.com/patternfly/react-virtualized-extension/README.md) | Table and list row virtualization extension |
 
-### Setup 
+### Setup
 
 Before you begin, check out this [overview of PatternFly](http://patternfly.org/get-started/about) to get familiar with the basic elements of the design system.