fix(release): Update README.md to release alpha version 7.

Updated readme to release alpha version 7.

Author: dlabaj

README.md

@@ -1,5 +1,5 @@
 # PatternFly React Component Groups
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+ 
 This repo contains a set of opinionated react component groups used to standardize functionality and look and feel across products.  The components are based on PatternFly with some additional functionality. 
 
 ### Migration from [RedHatInsights/frontend-components](https://github.com/RedHatInsights/frontend-components) to [patternfly/react-component-groups](https://github.com/patternfly/react-component-groups)