Add a setup script

README.md

@@ -76,6 +76,15 @@ The YAML plugin supports you with filling out the document. When hitting Ctrl +
 
 ![Validation in Visual Studio Code](./doc/vs-code-validation.png)
 
+## Setup script
+
+To help you get started with adding vendors and devices to the repo we made a script that creates all the necessary files with some basic information. To run the script, open a terminal (preferably inside a code editor like VSCode) and enter:
+
+```sh
+./setup.sh
+```
+After that just follow the instructions given to you by the script. 
+
 ## Files and Directories
 
 There are six file types in the Device Repository: