Examine source code of TypeShift

{
  "manifest_version": 3,
  "name": "TypeShift",
  "version": "1.3.0",
  "description": "Cleanly shift the typography of any website while protecting native icon fonts.",
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "icons": {
    "128": "icon.png"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "typeshift@jbuilds.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}