Examine source code of OpenFarm Reloaded

{
  "description": "OpenFarm reloaded – A browser extension collecting and analyzing game data from Farmerama directly in the browser.",
  "manifest_version": 2,
  "name": "OpenFarm Reloaded",
  "version": "26.20",
  "browser_specific_settings": {
    "gecko": {
      "id": "{8768c17f-5c70-4de2-a38b-75217f46729e}"
    }
  },
  "homepage_url": "https://www.suzys.de/",
  "icons": {
    "48": "icons/farm-tracker.png"
  },
  "permissions": [
    "activeTab",
    "webNavigation",
    "notifications",
    "webRequest",
    "webRequestBlocking",
    "https://www.farmerama.com/*",
    "https://www.farmerama.com/FarmAPI.php*",
    "https://mylittlefarm-171-assets.bpsecure.com/*",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js",
      "pako.js",
      "hwptrans.js",
      "futttrans.js",
      "upgtrans.js",
      "scheunekat.js",
      "translations.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/farm-tracker.png",
    "default_title": "OpenFarm Reloaded"
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "web_accessible_resources": [
    "pages/html/dashboard.html"
  ]
}