DOC: Add go version to the README

mjuraga · mjuraga · commit ca3b33ded42e · 2019-06-12T19:34:15.000+02:00
diff --git a/README.md b/README.md
@@ -6,6 +6,8 @@
 
 ## Building the Data Plane API
 
+In order to build the Data Plane API you need go 1.12 installed on your system, and execute the following steps:
+
 1\. Clone dataplaneapi repository into $GOPATH/src/github.com/haproxytech
 
 ```
