Examine source code of Web Edit

{
  "manifest_version": 3,
  "name": "Web Edit",
  "version": "1.0",
  "description": "Inject CSS, Javascript, and HTML into websites.",
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Open Live Website Editor"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "panel.html",
        "panel.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "Webeditpublic@valedev.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}