Examine source code of TORPEDO browser

{
  "manifest_version": 3,
  "author": "SECUSO",
  "browser_specific_settings": {
    "gecko": {
      "id": "{53319828-3750-4619-836e-10f3c736a61f}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "name": "__MSG_extensionName__",
  "version": "2.0.1",
  "default_locale": "en",
  "description": "__MSG_extensionDescriptionBrowser__",
  "background": {
    "scripts": [
      "service_worker.js"
    ]
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "icons": {
    "38": "img/icon38.png",
    "64": "img/icon64.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "img/*.png",
        "img/*.svg",
        "tooltip.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://mg.mail.yahoo.com/*",
        "https://mail.yahoo.com/*",
        "https://email.t-online.de/*",
        "https://outlook.live.com/*",
        "https://mail.aol.com/*",
        "https://navigator.web.de/*",
        "https://bap.navigator.web.de/*",
        "https://3c-bap.web.de/*",
        "https://3c.web.de/*",
        "https://bap.navigator.gmx.net/*",
        "https://navigator.gmx.net/*",
        "https://3c.gmx.net/*",
        "https://3c-bap.gmx.net/*",
        "https://mail.google.com/*",
        "https://owa.kit.edu/*"
      ],
      "css": [
        "css/all.min.css",
        "css/tooltip.css",
        "css/loader/loader.css"
      ],
      "js": [
        "js/floating-ui.core.umd.min.js",
        "js/floating-ui.dom.umd.min.js",
        "js/browser-polyfill.min.js",
        "js/torpedo.js",
        "js/utils.js",
        "js/punycode.js",
        "js/contentscript.js",
        "js/publicsuffixlist.js",
        "js/timer.js",
        "js/tooltip.js",
        "js/status.js",
        "js/redirect.js"
      ],
      "all_frames": true
    }
  ],
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_popup": "icon.html",
    "default_icon": {
      "32": "img/none64.png",
      "38": "img/none38.png"
    }
  },
  "content_security_policy": {}
}