Examine source code of Personal Capital Plus

{
  "manifest_version": 3,
  "name": "Personal Capital Plus",
  "short_name": "PC Plus",
  "description": "Customize Empower Personal Dashboard (Formerly known as Personal Capital)",
  "version": "4.1",
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "*://ira.empower-retirement.com/*"
      ],
      "js": [
        "main.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "options.html"
      ],
      "matches": [
        "*://*.empower-retirement.com/*"
      ]
    }
  ],
  "permissions": [
    "storage",
    "activeTab",
    "webNavigation"
  ],
  "host_permissions": [
    "*://*.empower-retirement.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@personal-capital-plus"
    }
  }
}