Examine source code of FQB Companion

{
  "manifest_version": 2,
  "name": "FQB Companion",
  "description": "FQB's official extension. A handy assistant for managing proxies, cookies and regions from FQB.",
  "version": "1.0.3",
  "icons": {
    "256": "UI/assets/images/icon-256.png"
  },
  "browser_action": {
    "default_icon": "UI/assets/images/icon-256.png",
    "default_title": "FQB Companion",
    "default_popup": "UI/popup.html"
  },
  "permissions": [
    "storage",
    "cookies",
    "proxy",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background-scripts/onInstall.js",
      "background-scripts/proxy.js",
      "background-scripts/region-changer.js",
      "background-scripts/setCookie.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "91.1.0",
      "id": "{aa2b2cb5-d290-4335-808c-560ed769018f}"
    }
  }
}