Update instructions

Author: vojtapol

README.md

@@ -1,6 +1,7 @@
 # [GraphQL Kickstart Documentation](https://www.graphql-java-kickstart.com/tools/)
 [![Build Status](https://travis-ci.org/graphql-java-kickstart/documentation.svg?branch=master)](https://travis-ci.org/graphql-java-kickstart/documentation)
 
-### How to run site locally
-1. Execute `brew install hugo`
-2. Execute `hugo server -D` in the root of the project
+## How to run the site locally?
+1. Clone this repository
+2. Execute `brew install hugo`
+3. Execute `hugo server -D` in the root of the project