Examine source code of No Trace Containers

{
  "manifest_version": 3,
  "name": "No Trace Containers",
  "version": "0.1.0",
  "description": "Disable history (and optionally cookies on tab close) for chosen Firefox containers.",
  "browser_specific_settings": {
    "gecko": {
      "id": "no-trace-containers-public@ziki17.github.io",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "history",
    "tabs",
    "webNavigation",
    "contextualIdentities",
    "cookies",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "action": {
    "default_title": "No Trace Containers",
    "default_popup": "src/popup.html",
    "default_icon": {
      "48": "icons/icon.svg",
      "96": "icons/icon.svg"
    }
  },
  "options_ui": {
    "page": "src/options.html",
    "open_in_tab": true
  }
}