Add Dev and prod scripts

add npm-run-all for cross platfrom capability

package.json

@@ -7,13 +7,17 @@
     "url": "https://github.com/jcunanan05"
   },
   "license": "MIT",
-  "scripts": {
-    "start": "node ./bin/www"
-  },
   "dependencies": {
     "cookie-parser": "~1.4.4",
     "debug": "~2.6.9",
     "express": "~4.16.1",
-    "morgan": "~1.9.1"
+    "morgan": "~1.9.1",
+    "npm-run-all": "^4.1.5"
+  },
+  "scripts": {
+    "start": "npm-run-all prod",
+    "server": "node ./bin/www",
+    "dev": "NODE_ENV=development npm-run-all server",
+    "prod": "NODE_ENV=production npm-run-all server"
   }
 }