Examine source code of Shift Utilization Widget

{
  "manifest_version": 2,
  "name": "Shift Utilization Widget",
  "version": "1.3",
  "description": "Shift Utilization Widget for AWS Boost",
  "browser_specific_settings": {
    "gecko": {
      "id": "shift-utilization-widget@internal",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "websiteActivity"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "cookies",
    "notifications",
    "<all_urls>",
    "https://myday-website.kix.aws-border.com/*",
    "https://*.aws-border.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "options_page": "options.html",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "shift-widget.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "icons/*.png",
    "shift-widget.js"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}