📦📝 Add CLI usage example to project template README

Author: tsvikas

project_name/README.md.jinja

@@ -36,6 +36,12 @@ Import the package in your code:
 import {{ package_name }}
 ```
 
+or run it directly:
+
+```bash
+{{ project_name }} --help
+```
+
 ## Development
 
 ### Getting started