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"
        ]
      }
    }
  }
}