Enhance project setup instructions with mkdir example

Added example command for creating project folder.

Author: garyrutland

WORKSHOP.md

@@ -6,7 +6,7 @@ Workshop description.
 
 ## 1. Project setup and basic build
 
-1. **Create project folder**
+1. **Create project folder**  
 Create a new folder for your project in a sensible location, for example:
 
 ```shell