Examine source code of Gmx Link Fixer

{
  "manifest_version": 2,
  "name": "Gmx Link Fixer",
  "version": "0.1",
  "description": "Fix the links from Gmx.",
  "permissions": [
    "*://deref-gmx.net/*"
  ],
  "icons": {
    "48": "/images/GLF_icon_48.png",
    "96": "/images/GLF_icon_96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://deref-gmx.net/*"
      ],
      "js": [
        "content/main.js"
      ]
    }
  ]
}