Examine source code of mind-maps

{
  "name": "mind-maps",
  "description": "The clear way to share complex information. Mind maps is a collaborative tool that helps you make sense of complex things.",
  "version": "1.0.0",
  "manifest_version": 2,
  "icons": {
    "48": "img/icon-48x48.png",
    "128": "img/icon-128x128.png"
  },
  "browser_action": {
    "default_title": "Mind maps"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}