Updated README.md

README.md

@@ -8,6 +8,11 @@ This repository is a centralized version of architecture for IPos software (Indo
     - [diagram](https://drive.google.com/file/d/12oIwl0zkeT2bsS8MUbbtSgFbbirG8Sz1/view?usp=sharing)
 
 
+## How to checkout?
+- cloning repository into a folder named "project" + checking out all submodules of the master branch
+	- $ git clone -b master --recurse-submodules https://git-st.inf.tu-dresden.de/ipos-public/project.git project
+
+
 ## How to run?
 
 1. Start [hivemq](http://www.hivemq.com/demos/websocket-client/). It's a client for an external test MQTT-broker.