Examine source code of Dindle

{
  "name": "Dindle",
  "description": "Browser Extension for Dindle",
  "icons": {
    "48": "icon.png",
    "128": "icon128.png"
  },
  "version": "1.1.1",
  "permissions": [
    "tabs",
    "topSites",
    "storage",
    "alarms"
  ],
  "browser_action": {
    "default_title": "Dindle",
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "lib/jsonrpc.js",
      "lib/environment.js",
      "background.js",
      "lib/api.js"
    ],
    "persistent": false
  },
  "chrome_url_overrides": {
    "newtab": "newtab/index.html"
  },
  "web_accessible_resources": [
    "style.css",
    "*.png"
  ],
  "default_locale": "en",
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "dindle@dindle.com",
      "strict_min_version": "57.0"
    }
  }
}