Examine source code of Focus Bear Blocker

{
  "manifest_version": 2,
  "name": "Focus Bear Blocker",
  "version": "1.0",
  "description": "This official Firefox extension extends Focus Bear's powerful distraction-blocking capabilities to your Firefox browser, ensuring consistent website blocking. Install Focus Bear macOS app from focusbear.io",
  "permissions": [
    "tabs",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icons/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "team@focusbear.io",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    }
  }
}