Examine source code of Gmod Wiki full-width

{
  "manifest_version": 2,
  "name": "Gmod Wiki full-width",
  "version": "1.0",
  "description": "Removes the max-width limit on the Gmod Wiki",
  "icons": {
    "48": "icons/48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://wiki.facepunch.com/gmod/*"
      ],
      "js": [
        "module.js"
      ]
    }
  ]
}