Update marked to the latest version 🚀 (#945)

* chore(package): update marked to version 0.6.0

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -69,7 +69,7 @@
     "immutable-devtools": "~0.1.3",
     "jest-cli": "^23.2.0",
     "js-beautify": "~1.8.0",
-    "marked": "^0.5.0",
+    "marked": "^0.6.0",
     "node-sass": "^4.9.3",
     "parse": "^2.0.0",
     "path-to-regexp": "^2.2.1",