Examine source code of Vim me up

{
  "manifest_version": 2,
  "name": "Vim me up",
  "version": "1.0",
  "description": "Brings vim bindings",
  "icons": {
    "48": "icons/border-48.png",
    "96": "icons/border-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "vim-me-up.js"
      ]
    }
  ]
}