Examine source code of only necessary

{
  "manifest_version": 3,
  "name": "only necessary",
  "description": "Chooses 'necessary-only' cookies or rejects non-essential banners. Toggle globally, whitelist sites, and avoid false clicks.",
  "version": "0.1.2",
  "icons": {
    "48": "icons/cookie-off.svg",
    "96": "icons/cookie-off.svg"
  },
  "action": {
    "default_title": "only necessary",
    "default_icon": {
      "16": "icons/cookie-off.svg",
      "32": "icons/cookie-off.svg",
      "48": "icons/cookie-off.svg"
    },
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage",
    "cookies",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "commands": {
    "toggle-enabled": {
      "description": "Toggle only necessary globally",
      "suggested_key": {
        "default": "Alt+Shift+K",
        "mac": "Alt+Shift+K"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "only-necessary@example.com",
      "strict_min_version": "128.0"
    }
  }
}