use cookie-parser package

Author: b1conrad

packages/pico-engine/package.json

@@ -48,6 +48,7 @@
     "async": "^2.5.0",
     "body-parser": "^1.18.2",
     "bunyan": "^1.8.12",
+    "cookie-parser": "^1.4.3",
     "express": "^4.16.1",
     "file-url": "^2.0.2",
     "home-dir": "^1.0.0",