Examine source code of CompanyFlag

{
  "manifest_version": 3,
  "name": "CompanyFlag",
  "version": "0.8.4",
  "description": "Shows the country of origin of the current website’s company",
  "permissions": [
    "activeTab",
    "storage",
    "webNavigation"
  ],
  "host_permissions": [
    "https://raw.githubusercontent.com/ddernon/companyflag/*",
    "https://framagit.org/dder/companyflag/*"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "CountryFlag"
  },
  "icons": {
    "128": "img/icon-128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "companyflag@daviddernoncourt.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}