Examine source code of Dark Reader Minimal

{
  "manifest_version": 2,
  "name": "Dark Reader Minimal",
  "version": "1.1.0",
  "description": "Minimal dark mode for the web. Follows your system theme, auto-skips already-dark sites, per-site toggle, no telemetry. Powered by the Dark Reader engine.",
  "homepage_url": "https://github.com/ewernn/browser-extensions",
  "permissions": [
    "storage",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "icons/moon.svg",
    "default_title": "Dark Reader Minimal",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icons/moon.svg",
    "96": "icons/moon.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "libs/darkreader.js",
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "commands": {
    "toggle-dark": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y"
      },
      "description": "Toggle dark mode for the current site"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "dark-reader-minimal@ewern.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}