added command to compile in package.json

Author: maxgalbu

package.json

@@ -4,7 +4,8 @@
   "description": "These are some commands and assertion I use when I'm testing with nightwatch.js and selenium.",
   "main": "none",
   "scripts": {
-    "test": "./runTests.sh"
+    "test": "./runTests.sh",
+    "compile": "gulp"
   },
   "repository": {
     "type": "git",