Examine source code of Private Speed Dial

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "description": "__MSG_extDesc__",
  "version": "0.3.8",
  "default_locale": "en",
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "action": {
    "default_title": "__MSG_extName__",
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png"
    }
  },
  "chrome_url_overrides": {
    "newtab": "src/newtab/index.html"
  },
  "background": {
    "service_worker": "src/background.js",
    "scripts": [
      "src/background.js"
    ]
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications"
  ],
  "optional_permissions": [
    "bookmarks"
  ],
  "optional_host_permissions": [
    "https://api.open-meteo.com/*",
    "https://geocoding-api.open-meteo.com/*",
    "https://api.frankfurter.dev/*",
    "https://open.er-api.com/*",
    "https://news.google.com/*",
    "https://fonts.googleapis.com/*",
    "https://fonts.gstatic.com/*",
    "https://picsum.photos/*",
    "https://loremflickr.com/*",
    "https://feeds.bbci.co.uk/*",
    "https://rss.nytimes.com/*",
    "https://www.yahoo.com/*",
    "https://www.theverge.com/*",
    "https://techcrunch.com/*",
    "https://feeds.arstechnica.com/*",
    "https://www.irozhlas.cz/*",
    "https://www.novinky.cz/*",
    "https://www.e15.cz/*",
    "https://www.lemonde.fr/*",
    "https://www.francetvinfo.fr/*",
    "https://www.lesechos.fr/*",
    "https://www.tagesschau.de/*",
    "https://www.heise.de/*",
    "https://www.handelsblatt.com/*",
    "https://lenta.ru/*",
    "https://ria.ru/*",
    "https://tass.ru/*",
    "https://news.rambler.ru/*",
    "https://news.mail.ru/*",
    "https://rssexport.rbc.ru/*",
    "https://www.kommersant.ru/*",
    "https://dtf.ru/*",
    "https://vc.ru/*",
    "https://habr.com/*",
    "https://www.ixbt.com/*",
    "https://nplus1.ru/*",
    "https://www.youtube.com/*",
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; img-src 'self' data: https:; connect-src 'self' https:"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "speeddial@bynicksan",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "locationInfo"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}