read me update

README.md

@@ -49,6 +49,15 @@ hellooo it's mee, Flip :D
 
 
 ### Local run 
+#### Install npm 
+For that, we have to install Node.js from https://nodejs.org/en/download/package-manager
+
+##### Install yarn
+
+npm install --global yarn
+
+
+cd bielefeld-cebitec
 yarn install