chore(package): update marked to version 1.0.0

Closes #5

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "eslint-plugin-react": "^7.7.0",
     "express": "^4.16.3",
     "html-webpack-plugin": "^3.2.0",
-    "marked": "^0.4.0",
+    "marked": "^1.0.0",
     "preact": "^8.2.9",
     "prettier": "^1.12.1",
     "prettier-eslint": "^8.8.1",