Add prerequisites

Author: alexpanov

README.md

@@ -2,6 +2,9 @@
 
 [![PDD status](http://www.0pdd.com/svg?name=alexpanov/meteor-react-semantic-ui-starter)](http://www.0pdd.com/p?name=alexpanov/meteor-react-semantic-ui-starter)
 
+## Check Prerequisites
+1. [Meteor](https://www.meteor.com/install): `meteor --version`
+
 <!-- @todo #1:30min Add more documentation -->
 ## Run
 1. `yarn install` or `npm install`