Examine source code of DFeChaveAcessoInfo

{
  "author": "darkliz <darkliz@gmail.com>",
  "default_locale": "pt_BR",
  "icons": {
    "16": "data/icons/logo_16.png",
    "48": "data/icons/logo_48.png",
    "96": "data/icons/logo_96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.gov.br/*",
        "*://*.parana/*",
        "https://*.whatsapp.com/*",
        "https://*.outlook.com/*",
        "https://*.gmail.com/*",
        "file:///*"
      ],
      "run_at": "document_idle",
      "all_frames": true,
      "js": [
        "data/lib/browser-polyfill.min.js",
        "data/lib/utils.js",
        "data/popup/configs.js",
        "data/ca/constantes.js",
        "data/ca/common_utils.js",
        "data/ca/utils.js",
        "data/ca/meses.js",
        "data/ca/munibge.js",
        "data/validador/validadorChaveAcesso.js",
        "data/validador/validadorDV.js",
        "data/validador/validadorCNPJ.js",
        "data/validador/validadorCPF.js",
        "data/ca_dfe/template.js",
        "data/ca_dfe/modelo.js",
        "data/ca_dfe/tpemis.js",
        "data/ca_dfe/ufibge.js",
        "data/ca_nfse/tpag.js",
        "data/ca_nfse/template.js",
        "data/ca/chaveAcesso.js",
        "data/page/chaveacesso.js",
        "data/ca/finder.js",
        "extension.js"
      ],
      "css": [
        "data/page/chaveacesso.css"
      ]
    }
  ],
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "options_ui": {
    "page": "data/options/options.html",
    "open_in_tab": false,
    "browser_style": false
  },
  "action": {
    "default_icon": "data/icons/logo_96.png",
    "default_title": "DFe ChaveAcessoInfo",
    "default_popup": "data/popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ChaveAcessoInfo.darkliz@gmail.com",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": [
          "browsingActivity"
        ]
      }
    }
  },
  "version": "0.11",
  "name": "DFeChaveAcessoInfo",
  "manifest_version": 3,
  "homepage_url": "https://dfechaveacessoinfo.blogspot.com",
  "description": "DFe - Informações da Chave de Acesso. Substituindo os números(ChaveAcesso) pela descrição detalhada da informação."
}