Examine source code of Decentraleyes simpler

{
  "name": "Decentraleyes simpler",
  "browser_action": {
    "default_title": "Decentraleyes simpler"
  },
  "description": "Eliminates most calls to common CDNs, by greatly increasing the time objects from the CDNs will remain in the browser cache.",
  "homepage_url": "https://github.com/BillDietrich/DecentraleyesSimpler",
  "manifest_version": 2,
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "permissions": [
    "browserSettings",
    "browsingData",
    "downloads",
    "notifications",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "version": "2.0",
  "applications": {
    "gecko": {
      "id": "decentraleyessimpler@billdietrich.me",
      "strict_min_version": "57.0"
    }
  }
}