adding composer script commands

Author: EvanLovely

composer.json

@@ -34,6 +34,10 @@
         "aleksip/plugin-data-transform": "^0.10.2"
     },
     "scripts": {
+        "server": "php core/console --server",
+        "generate": "php core/console --generate",
+        "watch": "php core/console --watch",
+        "start": "php core/console --server & php core/console --watch",
         "post-install-cmd": [
           "PatternLab\\Installer::postInstallCmd"
         ],