adding start script for watch and serve

README.md

@@ -50,6 +50,12 @@ To update Pattern Lab please refer to each component's GitHub repository. The co
 
 These are some helpful commands you can use on the command line for working with Pattern Lab.
 
+### One line start
+
+This will compile PL and watch for changes while running the local server:
+
+    composer run-script start
+
 ### List all of the available commands
 
 To list all available commands type:

composer.json

@@ -30,6 +30,7 @@
 		"pattern-lab/styleguidekit-twig-default": "^2.0.0"
 	},
 	"scripts": {
+		"start": "php core/console --server  --quiet & php core/console --watch",
 		"post-install-cmd": [
 			"PatternLab\\Installer::postInstallCmd"
 		],