Examine source code of Domify / Website feedback

{
  "manifest_version": 3,
  "name": "Domify / Website feedback",
  "version": "0.1.1",
  "description": "Mark up live websites with feedback comments for the project owner to review.",
  "browser_specific_settings": {
    "gecko": {
      "id": "website-feedback@domify.co.uk",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "browsingActivity",
          "personalCommunications",
          "authenticationInfo",
          "personallyIdentifyingInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://tools.domify.co.uk/*"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://tools.domify.co.uk/website-feedback/join*",
        "*://tools.dev.domify.co.uk/website-feedback/join*"
      ],
      "js": [
        "browser-polyfill.js",
        "join-bridge.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Domify / Website feedback",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "128": "icons/icon-128.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/icon-32.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}