Update README.md

Author: nschlimm

EasyKey.maven/README.md

@@ -4,3 +4,10 @@ EasyKey.maven is a sample menu used for daily work with Maven. Here is the menu:
 
 <img width="574" alt="image" src="https://github.com/nschlimm/EasyKey.shellmenu/assets/876604/37f76f5e-55af-445a-987d-b2787473a057">
 
+# Get started
+
+To get startet with the full functionality:
+
+1. Install `mvn` (Maven) on the command line.
+2. Clone this repository using `git clone `
+3. Start the menu with `bash maven.sh` or with `bash path/to/maven.sh`