Update README to include command-line examples for improved user guidance

Author: ntatschner

README.md

@@ -34,4 +34,11 @@ profile:
 logging:
   path: "C:\\path\\to\\logs"
   file: "launcher.log"
-  level: "DEBUG"
+  level: "DEBUG"
+```
+
+### Command-Line Examples
+
+#### Show Help
+
+GoPowerShellLauncher.exe help