Examine source code of DevRev Dashboard IDs

{
  "manifest_version": 2,
  "name": "DevRev Dashboard IDs",
  "version": "1.4.0",
  "description": "Shows dashboard ID and widget IDs in-page, reusing the page's own request.",
  "permissions": [
    "tabs",
    "downloads",
    "https://app.devrev.ai/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Toggle IDs Panel"
  },
  "content_scripts": [
    {
      "matches": [
        "https://app.devrev.ai/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "pageHook.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5614bbb1-9105-49c4-bc33-ec78d107c11c}"
    }
  }
}