Examine source code of Sakura Dashboard

{
  "manifest_version": 2,
  "name": "Sakura",
  "version": "2.2.0",
  "description": "Sakura — modular new tab dashboard with drag & drop widgets.",
  "permissions": [
    "storage",
    "https://api.coingecko.com/*",
    "https://open.er-api.com/*",
    "https://api.frankfurter.app/*",
    "https://cdn.jsdelivr.net/*",
    "https://geocoding-api.open-meteo.com/*",
    "https://api.open-meteo.com/*",
    "https://api.navasan.tech/*",
    "https://call.tgju.org/*",
    "https://tgju.org/*"
  ],
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sakura-dashboard@extension",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self'; connect-src https://api.coingecko.com https://open.er-api.com https://api.frankfurter.app https://cdn.jsdelivr.net https://geocoding-api.open-meteo.com https://api.open-meteo.com https://api.navasan.tech https://call.tgju.org https://tgju.org"
}